diff --git a/.github/dependabot.yml b/.github/dependabot.yml
new file mode 100644
index 00000000..786be571
--- /dev/null
+++ b/.github/dependabot.yml
@@ -0,0 +1,19 @@
+# To get started with Dependabot version updates, you'll need to specify which
+# package ecosystems to update and where the package manifests are located.
+# Please see the documentation for all configuration options:
+# https://docs.github.com/github/administering-a-repository/configuration-options-for-dependency-updates
+
+version: 2
+updates:
+  - package-ecosystem: github-actions
+    directory: /
+    commit-message:
+      prefix: ⬆️
+    schedule:
+      interval: weekly
+  - package-ecosystem: pip
+    directory: /
+    commit-message:
+      prefix: ⬆️
+    schedule:
+      interval: weekly
diff --git a/.github/workflows/benchmark.yml b/.github/workflows/benchmark.yml
index ef5780b3..c2b82d33 100644
--- a/.github/workflows/benchmark.yml
+++ b/.github/workflows/benchmark.yml
@@ -12,12 +12,12 @@ jobs:
     - uses: actions/checkout@v2
 
     - name: Set up Python 3.8
-      uses: actions/setup-python@v2
+      uses: actions/setup-python@v4
       with:
         python-version: 3.8
 
     - name: install pandoc
-      uses: r-lib/actions/setup-pandoc@v1
+      uses: r-lib/actions/setup-pandoc@v2
       with:
         pandoc-version: '2.6'
 
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index e46c0847..64a068e3 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -21,10 +21,10 @@ jobs:
     steps:
     - uses: actions/checkout@v2
     - name: Set up Python 3.8
-      uses: actions/setup-python@v2
+      uses: actions/setup-python@v4
       with:
         python-version: '3.8'
-    - uses: pre-commit/action@v2.0.0
+    - uses: pre-commit/action@v3.0.0
 
   tests:
 
@@ -36,7 +36,7 @@ jobs:
     steps:
     - uses: actions/checkout@v2
     - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v2
+      uses: actions/setup-python@v4
       with:
         python-version: ${{ matrix.python-version }}
     - name: Install dependencies
@@ -48,7 +48,7 @@ jobs:
         pytest tests/ --cov=markdown_it --cov-report=xml --cov-report=term-missing
     - name: Upload to Codecov
       if: matrix.python-version == '3.7' && github.repository == 'executablebooks/markdown-it-py'
-      uses: codecov/codecov-action@v1
+      uses: codecov/codecov-action@v3
       with:
         name: markdown-it-py-pytests-py3.7
         flags: pytests
@@ -64,7 +64,7 @@ jobs:
     steps:
     - uses: actions/checkout@v2
     - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v2
+      uses: actions/setup-python@v4
       with:
         python-version: ${{ matrix.python-version }}
     - name: Install markdown-it-py
@@ -85,7 +85,7 @@ jobs:
     - uses: actions/checkout@v2
 
     - name: Set up Python 3.8
-      uses: actions/setup-python@v2
+      uses: actions/setup-python@v4
       with:
         python-version: '3.8'
 
@@ -98,7 +98,7 @@ jobs:
       run: tox -e py38-bench-core -- --benchmark-json bench-core.json
 
     - name: Upload data
-      uses: actions/upload-artifact@v2
+      uses: actions/upload-artifact@v3
       with:
         name: bench-core
         path: bench-core.json
@@ -114,7 +114,7 @@ jobs:
     - name: Checkout source
       uses: actions/checkout@v2
     - name: Set up Python 3.8
-      uses: actions/setup-python@v2
+      uses: actions/setup-python@v4
       with:
         python-version: '3.8'
     - name: install flit
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index b9b3f0c0..50e8132a 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -16,7 +16,7 @@ exclude: >
 repos:
 
   - repo: https://github.com/pre-commit/pre-commit-hooks
-    rev: v4.2.0
+    rev: v4.4.0
     hooks:
     - id: check-json
     - id: check-yaml
@@ -24,23 +24,23 @@ repos:
     - id: trailing-whitespace
 
   - repo: https://github.com/pycqa/isort
-    rev: 5.10.1
+    rev: 5.12.0
     hooks:
     - id: isort
 
   - repo: https://github.com/psf/black
-    rev: 22.3.0
+    rev: 23.1.0
     hooks:
     - id: black
 
-  - repo: https://gitlab.com/pycqa/flake8
-    rev: 3.9.2
+  - repo: https://github.com/PyCQA/flake8
+    rev: 6.0.0
     hooks:
     - id: flake8
-      additional_dependencies: [flake8-bugbear==21.3.1]
+      additional_dependencies: [flake8-bugbear~=22.7]
 
   - repo: https://github.com/pre-commit/mirrors-mypy
-    rev: v0.942
+    rev: v1.0.1
     hooks:
     - id: mypy
-      additional_dependencies: [attrs]
+      additional_dependencies: [mdurl]
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1aa4a725..fa8dc6b7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,30 @@
 # Change Log
 
+## 2.2.0 - 2023-02-22
+
+### What's Changed
+
+* ⬆️ UPGRADE: Allow linkify-it-py v2 by @hukkin in [#218](https://github.com/executablebooks/markdown-it-py/pull/218)
+* 🐛 FIX: CVE-2023-26303 by @chrisjsewell in [#246](https://github.com/executablebooks/markdown-it-py/pull/246)
+* 🐛 FIX: CLI crash on non-utf8 character by @chrisjsewell in [#247](https://github.com/executablebooks/markdown-it-py/pull/247)
+* 📚 DOCS: Update the example by @redstoneleo in [#229](https://github.com/executablebooks/markdown-it-py/pull/229)
+* 📚 DOCS: Add section about markdown renderer by @holamgadol in [#227](https://github.com/executablebooks/markdown-it-py/pull/227)
+* 🔧 Create SECURITY.md by @chrisjsewell in [#248](https://github.com/executablebooks/markdown-it-py/pull/248)
+* 🔧 MAINTAIN: Update mypy's additional dependencies by @hukkin in [#217](https://github.com/executablebooks/markdown-it-py/pull/217)
+* Fix typo by @jwilk in [#230](https://github.com/executablebooks/markdown-it-py/pull/230)
+* 🔧 Bump GH actions by @chrisjsewell in [#244](https://github.com/executablebooks/markdown-it-py/pull/244)
+* 🔧 Update benchmark pkg versions by @chrisjsewell in [#245](https://github.com/executablebooks/markdown-it-py/pull/245)
+
+### New Contributors
+
+Thanks to 🎉
+
+* @jwilk made their first contribution in [#230](https://github.com/executablebooks/markdown-it-py/pull/230)
+* @holamgadol made their first contribution in [#227](https://github.com/executablebooks/markdown-it-py/pull/227)
+* @redstoneleo made their first contribution in [#229](https://github.com/executablebooks/markdown-it-py/pull/229)
+
+**Full Changelog**: <https://github.com/executablebooks/markdown-it-py/compare/v2.1.0...v2.2.0>
+
 ## 2.1.0 - 2022-04-15
 
 This release is primarily to replace the `attrs` package dependency,
diff --git a/README.md b/README.md
index 599c1f9f..789588fe 100644
--- a/README.md
+++ b/README.md
@@ -55,10 +55,9 @@ from mdit_py_plugins.front_matter import front_matter_plugin
 from mdit_py_plugins.footnote import footnote_plugin
 
 md = (
-    MarkdownIt()
+    MarkdownIt('commonmark' ,{'breaks':True,'html':True})
     .use(front_matter_plugin)
     .use(footnote_plugin)
-    .disable('image')
     .enable('table')
 )
 text = ("""
diff --git a/SECURITY.md b/SECURITY.md
new file mode 100644
index 00000000..aaa878f4
--- /dev/null
+++ b/SECURITY.md
@@ -0,0 +1,14 @@
+# Security Policy
+
+## Supported Versions
+
+We generally only support the latest major release,
+although critical bug fixes can be released for older versions.
+
+## Reporting a Vulnerability
+
+To report a security issue, please email <executablebooks@gmail.com> with a description of the issue,
+the steps you took to create the issue, affected versions, and, if known, mitigations for the issue.
+Our team will respond within 3 working days of your email.
+If the issue is confirmed as a vulnerability, we will open a Security Advisory.
+This project follows a 90 day disclosure timeline.
diff --git a/docs/other.md b/docs/other.md
index 4d77360f..cfc5ba8c 100644
--- a/docs/other.md
+++ b/docs/other.md
@@ -21,7 +21,7 @@ for XSS:
 
 So, by default `markdown-it` should be safe. We care about it.
 
-If you find a security problem - contact us via tracker or email.
+If you find a security problem - contact us via <executablebooks@gmail.com>.
 Such reports are fixed with top priority.
 
 ## Plugins
diff --git a/docs/using.md b/docs/using.md
index 83872037..aa632574 100644
--- a/docs/using.md
+++ b/docs/using.md
@@ -330,7 +330,7 @@ md = MarkdownIt("commonmark", renderer_cls=MyRenderer)
 md.render("*a*")
 ```
 
-Plugins can support multiple render types, using the `__ouput__` attribute (this is currently a Python only feature).
+Plugins can support multiple render types, using the `__output__` attribute (this is currently a Python only feature).
 
 ```{code-cell} python
 from markdown_it.renderer import RendererHTML
@@ -397,3 +397,29 @@ md = MarkdownIt("commonmark")
 md.add_render_rule("link_open", render_blank_link)
 print(md.render("[a]\n\n[a]: b"))
 ```
+
+### Markdown renderer
+
+You can also render a token stream directly to markdown via the `MDRenderer` class from [`mdformat`](https://github.com/executablebooks/mdformat):
+
+```{code-cell} python
+from markdown_it import MarkdownIt
+from mdformat.renderer import MDRenderer
+
+md = MarkdownIt("commonmark")
+
+source_markdown = """
+Here's some *text*
+
+1. a list
+
+> a *quote*"""
+
+tokens = md.parse(source_markdown)
+
+renderer = MDRenderer()
+options = {}
+env = {}
+
+output_markdown = renderer.render(tokens, options, env)
+```
diff --git a/markdown_it/__init__.py b/markdown_it/__init__.py
index 5cc232a5..882a0c3e 100644
--- a/markdown_it/__init__.py
+++ b/markdown_it/__init__.py
@@ -1,5 +1,5 @@
 """A Python port of Markdown-It"""
 __all__ = ("MarkdownIt",)
-__version__ = "2.1.0"
+__version__ = "2.2.0"
 
 from .main import MarkdownIt
diff --git a/markdown_it/cli/parse.py b/markdown_it/cli/parse.py
index 2d74f55a..890d5de3 100644
--- a/markdown_it/cli/parse.py
+++ b/markdown_it/cli/parse.py
@@ -35,7 +35,7 @@ def convert_file(filename: str) -> None:
     Parse a Markdown file and dump the output to stdout.
     """
     try:
-        with open(filename, "r") as fin:
+        with open(filename, "r", encoding="utf8", errors="ignore") as fin:
             rendered = MarkdownIt().render(fin.read())
             print(rendered, end="")
     except OSError:
diff --git a/markdown_it/common/utils.py b/markdown_it/common/utils.py
index edc24ca5..9b7c4aeb 100644
--- a/markdown_it/common/utils.py
+++ b/markdown_it/common/utils.py
@@ -56,7 +56,6 @@ def arrayReplaceAt(src: list, pos: int, newElements: list) -> list:
 
 
 def isValidEntityCode(c: int) -> bool:
-
     # broken sequence
     if c >= 0xD800 and c <= 0xDFFF:
         return False
diff --git a/markdown_it/helpers/parse_link_label.py b/markdown_it/helpers/parse_link_label.py
index 20e3c148..6ce8daf8 100644
--- a/markdown_it/helpers/parse_link_label.py
+++ b/markdown_it/helpers/parse_link_label.py
@@ -9,7 +9,6 @@
 
 
 def parseLinkLabel(state: StateInline, start: int, disableNested: bool = False) -> int:
-
     labelEnd = -1
     oldPos = state.pos
     found = False
diff --git a/markdown_it/renderer.py b/markdown_it/renderer.py
index b8bfe4da..81d0bc37 100644
--- a/markdown_it/renderer.py
+++ b/markdown_it/renderer.py
@@ -18,7 +18,7 @@ class Renderer
 try:
     from typing import Protocol
 except ImportError:  # Python <3.8 doesn't have `Protocol` in the stdlib
-    from typing_extensions import Protocol  # type: ignore[misc]
+    from typing_extensions import Protocol  # type: ignore
 
 
 class RendererProtocol(Protocol):
@@ -82,10 +82,9 @@ def render(
         result = ""
 
         for i, token in enumerate(tokens):
-
             if token.type == "inline":
-                assert token.children is not None
-                result += self.renderInline(token.children, options, env)
+                if token.children:
+                    result += self.renderInline(token.children, options, env)
             elif token.type in self.rules:
                 result += self.rules[token.type](tokens, i, options, env)
             else:
@@ -207,8 +206,8 @@ def renderInlineAsText(
             if token.type == "text":
                 result += token.content
             elif token.type == "image":
-                assert token.children is not None
-                result += self.renderInlineAsText(token.children, options, env)
+                if token.children:
+                    result += self.renderInlineAsText(token.children, options, env)
             elif token.type == "softbreak":
                 result += "\n"
 
@@ -306,14 +305,10 @@ def image(
 
         # "alt" attr MUST be set, even if empty. Because it's mandatory and
         # should be placed on proper position for tests.
-
-        assert (
-            token.attrs and "alt" in token.attrs
-        ), '"image" token\'s attrs must contain `alt`'
-
-        # Replace content with actual value
-
-        token.attrSet("alt", self.renderInlineAsText(token.children, options, env))
+        if token.children:
+            token.attrSet("alt", self.renderInlineAsText(token.children, options, env))
+        else:
+            token.attrSet("alt", "")
 
         return self.renderToken(tokens, idx, options, env)
 
diff --git a/markdown_it/rules_block/blockquote.py b/markdown_it/rules_block/blockquote.py
index 6575731d..e00fbf61 100644
--- a/markdown_it/rules_block/blockquote.py
+++ b/markdown_it/rules_block/blockquote.py
@@ -10,7 +10,6 @@
 
 
 def blockquote(state: StateBlock, startLine: int, endLine: int, silent: bool):
-
     LOGGER.debug(
         "entering blockquote: %s, %s, %s, %s", state, startLine, endLine, silent
     )
@@ -129,7 +128,6 @@ def blockquote(state: StateBlock, startLine: int, endLine: int, silent: bool):
     # for (nextLine = startLine + 1; nextLine < endLine; nextLine++) {
     nextLine = startLine + 1
     while nextLine < endLine:
-
         # check if it's outdented, i.e. it's inside list item and indented
         # less than said list item:
         #
diff --git a/markdown_it/rules_block/code.py b/markdown_it/rules_block/code.py
index c4fdba33..a796608d 100644
--- a/markdown_it/rules_block/code.py
+++ b/markdown_it/rules_block/code.py
@@ -7,7 +7,6 @@
 
 
 def code(state: StateBlock, startLine: int, endLine: int, silent: bool = False):
-
     LOGGER.debug("entering code: %s, %s, %s, %s", state, startLine, endLine, silent)
 
     if state.sCount[startLine] - state.blkIndent < 4:
diff --git a/markdown_it/rules_block/fence.py b/markdown_it/rules_block/fence.py
index c4f5275d..fb3c6847 100644
--- a/markdown_it/rules_block/fence.py
+++ b/markdown_it/rules_block/fence.py
@@ -7,7 +7,6 @@
 
 
 def fence(state: StateBlock, startLine: int, endLine: int, silent: bool):
-
     LOGGER.debug("entering fence: %s, %s, %s, %s", state, startLine, endLine, silent)
 
     haveEndMarker = False
diff --git a/markdown_it/rules_block/heading.py b/markdown_it/rules_block/heading.py
index 8d4ef3e2..064d0702 100644
--- a/markdown_it/rules_block/heading.py
+++ b/markdown_it/rules_block/heading.py
@@ -10,7 +10,6 @@
 
 
 def heading(state: StateBlock, startLine: int, endLine: int, silent: bool):
-
     LOGGER.debug("entering heading: %s, %s, %s, %s", state, startLine, endLine, silent)
 
     pos = state.bMarks[startLine] + state.tShift[startLine]
diff --git a/markdown_it/rules_block/hr.py b/markdown_it/rules_block/hr.py
index 804cd9db..22c69722 100644
--- a/markdown_it/rules_block/hr.py
+++ b/markdown_it/rules_block/hr.py
@@ -11,7 +11,6 @@
 
 
 def hr(state: StateBlock, startLine: int, endLine: int, silent: bool):
-
     LOGGER.debug("entering hr: %s, %s, %s, %s", state, startLine, endLine, silent)
 
     pos = state.bMarks[startLine] + state.tShift[startLine]
diff --git a/markdown_it/rules_block/lheading.py b/markdown_it/rules_block/lheading.py
index f26e2af0..92632acc 100644
--- a/markdown_it/rules_block/lheading.py
+++ b/markdown_it/rules_block/lheading.py
@@ -8,7 +8,6 @@
 
 
 def lheading(state: StateBlock, startLine: int, endLine: int, silent: bool):
-
     LOGGER.debug("entering lheading: %s, %s, %s, %s", state, startLine, endLine, silent)
 
     level = None
diff --git a/markdown_it/rules_block/list.py b/markdown_it/rules_block/list.py
index a7617ad2..9cf8c402 100644
--- a/markdown_it/rules_block/list.py
+++ b/markdown_it/rules_block/list.py
@@ -10,7 +10,6 @@
 # Search `[-+*][\n ]`, returns next pos after marker on success
 # or -1 on fail.
 def skipBulletListMarker(state: StateBlock, startLine: int):
-
     pos = state.bMarks[startLine] + state.tShift[startLine]
     maximum = state.eMarks[startLine]
 
@@ -33,7 +32,6 @@ def skipBulletListMarker(state: StateBlock, startLine: int):
 # Search `\d+[.)][\n ]`, returns next pos after marker on success
 # or -1 on fail.
 def skipOrderedListMarker(state: StateBlock, startLine: int):
-
     start = state.bMarks[startLine] + state.tShift[startLine]
     pos = start
     maximum = state.eMarks[startLine]
@@ -59,7 +57,6 @@ def skipOrderedListMarker(state: StateBlock, startLine: int):
 
         # /* 0 */  /* 9 */
         if ch >= 0x30 and ch <= 0x39:
-
             # List marker should have no more than 9 digits
             # (prevents integer overflow in browsers)
             if pos - start >= 10:
@@ -97,7 +94,6 @@ def markTightParagraphs(state: StateBlock, idx: int):
 
 
 def list_block(state: StateBlock, startLine: int, endLine: int, silent: bool):
-
     LOGGER.debug("entering list: %s, %s, %s, %s", state, startLine, endLine, silent)
 
     isTerminatingParagraph = False
diff --git a/markdown_it/rules_block/paragraph.py b/markdown_it/rules_block/paragraph.py
index 4fee83e9..fef7edf7 100644
--- a/markdown_it/rules_block/paragraph.py
+++ b/markdown_it/rules_block/paragraph.py
@@ -8,7 +8,6 @@
 
 
 def paragraph(state: StateBlock, startLine: int, endLine: int, silent: bool = False):
-
     LOGGER.debug(
         "entering paragraph: %s, %s, %s, %s", state, startLine, endLine, silent
     )
diff --git a/markdown_it/rules_block/reference.py b/markdown_it/rules_block/reference.py
index 35adde2a..39e21eb6 100644
--- a/markdown_it/rules_block/reference.py
+++ b/markdown_it/rules_block/reference.py
@@ -7,7 +7,6 @@
 
 
 def reference(state: StateBlock, startLine, _endLine, silent):
-
     LOGGER.debug(
         "entering reference: %s, %s, %s, %s", state, startLine, _endLine, silent
     )
diff --git a/markdown_it/rules_block/state_block.py b/markdown_it/rules_block/state_block.py
index 42b8fce3..c5589149 100644
--- a/markdown_it/rules_block/state_block.py
+++ b/markdown_it/rules_block/state_block.py
@@ -19,7 +19,6 @@ def __init__(
         tokens: list[Token],
         srcCharCode: tuple[int, ...] | None = None,
     ):
-
         if srcCharCode is not None:
             self._src = src
             self.srcCharCode = srcCharCode
diff --git a/markdown_it/rules_core/block.py b/markdown_it/rules_core/block.py
index fa1c52c4..dc756418 100644
--- a/markdown_it/rules_core/block.py
+++ b/markdown_it/rules_core/block.py
@@ -3,7 +3,6 @@
 
 
 def block(state: StateCore) -> None:
-
     if state.inlineMode:
         token = Token("inline", "", 0)
         token.content = state.src
diff --git a/markdown_it/rules_core/normalize.py b/markdown_it/rules_core/normalize.py
index bf16fd7a..c9f8d0d5 100644
--- a/markdown_it/rules_core/normalize.py
+++ b/markdown_it/rules_core/normalize.py
@@ -9,7 +9,6 @@
 
 
 def normalize(state: StateCore) -> None:
-
     # Normalize newlines
     string = NEWLINES_RE.sub("\n", state.src)
 
diff --git a/markdown_it/rules_core/replacements.py b/markdown_it/rules_core/replacements.py
index 45377d3e..5e9b7ae7 100644
--- a/markdown_it/rules_core/replacements.py
+++ b/markdown_it/rules_core/replacements.py
@@ -116,7 +116,8 @@ def replace(state: StateCore) -> None:
     for token in state.tokens:
         if token.type != "inline":
             continue
-        assert token.children is not None
+        if token.children is None:
+            continue
 
         if SCOPED_ABBR_RE.search(token.content):
             replace_scoped(token.children)
diff --git a/markdown_it/rules_core/smartquotes.py b/markdown_it/rules_core/smartquotes.py
index 93f8be28..b11a5739 100644
--- a/markdown_it/rules_core/smartquotes.py
+++ b/markdown_it/rules_core/smartquotes.py
@@ -195,8 +195,7 @@ def smartquotes(state: StateCore) -> None:
         return
 
     for token in state.tokens:
-
         if token.type != "inline" or not QUOTE_RE.search(token.content):
             continue
-        assert token.children is not None
-        process_inlines(token.children, state)
+        if token.children is not None:
+            process_inlines(token.children, state)
diff --git a/markdown_it/rules_inline/autolink.py b/markdown_it/rules_inline/autolink.py
index a4ee61c3..11ac5905 100644
--- a/markdown_it/rules_inline/autolink.py
+++ b/markdown_it/rules_inline/autolink.py
@@ -10,7 +10,6 @@
 
 
 def autolink(state: StateInline, silent: bool) -> bool:
-
     pos = state.pos
 
     if state.srcCharCode[pos] != 0x3C:  # /* < */
diff --git a/markdown_it/rules_inline/backticks.py b/markdown_it/rules_inline/backticks.py
index 7bff12fe..5f1e0552 100644
--- a/markdown_it/rules_inline/backticks.py
+++ b/markdown_it/rules_inline/backticks.py
@@ -7,7 +7,6 @@
 
 
 def backtick(state: StateInline, silent: bool) -> bool:
-
     pos = state.pos
     ch = state.srcCharCode[pos]
 
diff --git a/markdown_it/rules_inline/balance_pairs.py b/markdown_it/rules_inline/balance_pairs.py
index db622f07..5423b5d6 100644
--- a/markdown_it/rules_inline/balance_pairs.py
+++ b/markdown_it/rules_inline/balance_pairs.py
@@ -4,7 +4,6 @@
 
 
 def processDelimiters(state: StateInline, delimiters, *args):
-
     openersBottom = {}
     maximum = len(delimiters)
 
@@ -50,7 +49,6 @@ def processDelimiters(state: StateInline, delimiters, *args):
                 continue
 
             if opener.open and opener.end < 0:
-
                 isOddMatch = False
 
                 # from spec:
diff --git a/markdown_it/rules_inline/emphasis.py b/markdown_it/rules_inline/emphasis.py
index 9001b09e..5262430b 100644
--- a/markdown_it/rules_inline/emphasis.py
+++ b/markdown_it/rules_inline/emphasis.py
@@ -39,7 +39,6 @@ def tokenize(state: StateInline, silent: bool):
 
 
 def _postProcess(state, delimiters):
-
     i = len(delimiters) - 1
     while i >= 0:
         startDelim = delimiters[i]
diff --git a/markdown_it/rules_inline/entity.py b/markdown_it/rules_inline/entity.py
index 883a9666..08d271ed 100644
--- a/markdown_it/rules_inline/entity.py
+++ b/markdown_it/rules_inline/entity.py
@@ -10,7 +10,6 @@
 
 
 def entity(state: StateInline, silent: bool):
-
     pos = state.pos
     maximum = state.posMax
 
diff --git a/markdown_it/rules_inline/html_inline.py b/markdown_it/rules_inline/html_inline.py
index 295cc5c7..b875e884 100644
--- a/markdown_it/rules_inline/html_inline.py
+++ b/markdown_it/rules_inline/html_inline.py
@@ -10,7 +10,6 @@ def isLetter(ch: int):
 
 
 def html_inline(state: StateInline, silent: bool):
-
     pos = state.pos
 
     if not state.md.options.get("html", None):
diff --git a/markdown_it/rules_inline/image.py b/markdown_it/rules_inline/image.py
index d2a08d47..d7215bdf 100644
--- a/markdown_it/rules_inline/image.py
+++ b/markdown_it/rules_inline/image.py
@@ -7,7 +7,6 @@
 
 
 def image(state: StateInline, silent: bool):
-
     label = None
     href = ""
     oldPos = state.pos
diff --git a/markdown_it/rules_inline/link.py b/markdown_it/rules_inline/link.py
index 2394d6c3..a6345152 100644
--- a/markdown_it/rules_inline/link.py
+++ b/markdown_it/rules_inline/link.py
@@ -5,7 +5,6 @@
 
 
 def link(state: StateInline, silent: bool):
-
     href = ""
     title = ""
     label = None
diff --git a/markdown_it/rules_inline/strikethrough.py b/markdown_it/rules_inline/strikethrough.py
index 107ea26b..9b062a66 100644
--- a/markdown_it/rules_inline/strikethrough.py
+++ b/markdown_it/rules_inline/strikethrough.py
@@ -53,7 +53,6 @@ def tokenize(state: StateInline, silent: bool):
 
 
 def _postProcess(state: StateInline, delimiters: list[Delimiter]):
-
     loneMarkers = []
     maximum = len(delimiters)
 
@@ -89,7 +88,6 @@ def _postProcess(state: StateInline, delimiters: list[Delimiter]):
             state.tokens[endDelim.token - 1].type == "text"
             and state.tokens[endDelim.token - 1].content == "~"
         ):
-
             loneMarkers.append(endDelim.token - 1)
 
         i += 1
diff --git a/markdown_it/token.py b/markdown_it/token.py
index b20875b6..7a41a784 100644
--- a/markdown_it/token.py
+++ b/markdown_it/token.py
@@ -22,7 +22,6 @@ def convert_attrs(value: Any) -> Any:
 
 @dc.dataclass(**DATACLASS_KWARGS)
 class Token:
-
     type: str
     """Type of the token (string, e.g. "paragraph_open")"""
 
diff --git a/pyproject.toml b/pyproject.toml
index e0017185..5ac1ad27 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -35,15 +35,15 @@ Homepage = "https://github.com/executablebooks/markdown-it-py"
 Documentation = "https://markdown-it-py.readthedocs.io"
 
 [project.optional-dependencies]
-code_style = ["pre-commit==2.6"]
+code_style = ["pre-commit~=3.0"]
 compare = [
-    "commonmark~=0.9.1",
-    "markdown~=3.3.6",
-    "mistletoe~=0.8.1",
-    "mistune~=2.0.2",
-    "panflute~=2.1.3",
+    "commonmark~=0.9",
+    "markdown~=3.4",
+    "mistletoe~=1.0",
+    "mistune~=2.0",
+    "panflute~=2.3",
 ]
-linkify = ["linkify-it-py~=1.0"]
+linkify = ["linkify-it-py>=1,<3"]
 plugins = ["mdit-py-plugins"]
 rtd = [
     "attrs",
@@ -63,7 +63,7 @@ testing = [
 benchmarking = [
     "psutil",
     "pytest",
-    "pytest-benchmark~=3.2",
+    "pytest-benchmark",
 ]
 profiling = ["gprof2dot"]
 
diff --git a/tests/test_cli.py b/tests/test_cli.py
index 57d6b938..c38e24fd 100644
--- a/tests/test_cli.py
+++ b/tests/test_cli.py
@@ -20,6 +20,13 @@ def test_parse_fail():
     assert exc_info.value.code == 1
 
 
+def test_non_utf8():
+    with tempfile.TemporaryDirectory() as tempdir:
+        path = pathlib.Path(tempdir).joinpath("test.md")
+        path.write_bytes(b"\x80abc")
+        assert parse.main([str(path)]) == 0
+
+
 def test_print_heading():
     with patch("builtins.print") as patched:
         parse.print_heading()
diff --git a/tests/test_port/fixtures/issue-fixes.md b/tests/test_port/fixtures/issue-fixes.md
index 0c693b04..319945af 100644
--- a/tests/test_port/fixtures/issue-fixes.md
+++ b/tests/test_port/fixtures/issue-fixes.md
@@ -36,3 +36,12 @@
 .
 <p>💬</p>
 .
+
+Fix CVE-2023-26303
+.
+![![]()
+]([)
+.
+<p><img src="%5B" alt="
+" /></p>
+.
diff --git a/tests/test_port/test_fixtures.py b/tests/test_port/test_fixtures.py
index 5117c5e1..d2199caf 100644
--- a/tests/test_port/test_fixtures.py
+++ b/tests/test_port/test_fixtures.py
@@ -111,4 +111,5 @@ def test_strikethrough(line, title, input, expected):
 def test_issue_fixes(line, title, input, expected):
     md = MarkdownIt()
     text = md.render(input)
+    print(text)
     assert text.rstrip() == expected.rstrip()
diff --git a/tests/test_port/test_references.py b/tests/test_port/test_references.py
index 32e389de..75bf7130 100644
--- a/tests/test_port/test_references.py
+++ b/tests/test_port/test_references.py
@@ -2,7 +2,6 @@
 
 
 def test_ref_definitions():
-
     md = MarkdownIt()
     src = "[a]: abc\n\n[b]: xyz\n\n[b]: ijk"
     env = {}