diff --git a/CHANGELOG.md b/CHANGELOG.md
index b62c118d..2c8848d0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Change Log for spellcheck-github-actions
 
+## 0.33.0, 2023-06-16, maintenance release, update not required
+
+- Docker image updated to Python 3.11.4 slim via PR [#164](https://github.com/rojopolis/spellcheck-github-actions/pull/164) from Snyk. [Release notes for Python 3.11.4](https://docs.python.org/release/3.11.4/whatsnew/changelog.html)
+
 ## 0.32.0, 2023-05-18, security patch release, update recommended
 
 - @dependabot raised [an alert](https://github.com/rojopolis/spellcheck-github-actions/security/dependabot/3) for the used dependency: [pymdown-extensions](https://github.com/facelessuser/pymdown-extensions). The vulnerability is labelled as [CVE-2023-32309](https://nvd.nist.gov/vuln/detail/CVE-2023-32309). The issue has been present in [pymdown-extensions](https://github.com/facelessuser/pymdown-extensions) since version [1.5.0](https://github.com/facelessuser/pymdown-extensions/releases/tag/1.5.0) and is patched in version [10.0](https://github.com/facelessuser/pymdown-extensions/releases/tag/10.0).
diff --git a/Dockerfile b/Dockerfile
index ed16c562..5d56dbae 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 # REF: https://hub.docker.com/_/python
-FROM python:3.11.3-slim-bullseye
+FROM python:3.11.4-slim-bullseye
 
 LABEL "com.github.actions.name"="Spellcheck Action"
 LABEL "com.github.actions.description"="Check spelling of files in repository"
diff --git a/README.md b/README.md
index 29a4b09c..b56ea51a 100644
--- a/README.md
+++ b/README.md
@@ -58,7 +58,7 @@ jobs:
     steps:
     # The checkout step
     - uses: actions/checkout@v3
-    - uses: rojopolis/spellcheck-github-actions@0.32.0
+    - uses: rojopolis/spellcheck-github-actions@0.33.0
       name: Spellcheck
 ```
 
@@ -66,7 +66,9 @@ This configuration file must be created in a the `.github/workflows/` directory.
 
 For example, it could be named `.github/workflows/spelling_action.yml` for easy identification, if other actions are present.
 
-In the above example, the configuration is pointing to the exact version of `0.32.0`, this repository also offers  the canonical version `v0`, so there is less hassle keeping the action up to date.
+### Using a Canonical Version
+
+In the above example, the configuration is pointing to the exact version of `0.33.0`, this repository also offers  the canonical version `v0`, so there is less hassle keeping the action up to date.
 
 ```yaml
 name: Spellcheck Action
@@ -154,7 +156,7 @@ jobs:
     steps:
     # The checkout step
     - uses: actions/checkout@v3
-    - uses: rojopolis/spellcheck-github-actions@0.32.0
+    - uses: rojopolis/spellcheck-github-actions@0.33.0
       name: Spellcheck
       with:
         source_files: README.md CHANGELOG.md notes/Notes.md
@@ -182,7 +184,7 @@ jobs:
     steps:
     # The checkout step
     - uses: actions/checkout@v3
-    - uses: rojopolis/spellcheck-github-actions@0.32.0
+    - uses: rojopolis/spellcheck-github-actions@0.33.0
       name: Spellcheck
       with:
         source_files: README.md CHANGELOG.md notes/Notes.md
@@ -262,7 +264,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v3
-    - uses: rojopolis/spellcheck-github-actions@0.32.0
+    - uses: rojopolis/spellcheck-github-actions@0.33.0
       name: Spellcheck
       with:
         config_path: config/.spellcheck.yml # put path to configuration file here
@@ -428,7 +430,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v3
-    - uses: rojopolis/spellcheck-github-actions@0.32.0
+    - uses: rojopolis/spellcheck-github-actions@0.33.0
       name: Spellcheck
       with:
         config_path: .github/spellcheck.yml # <--- put path to configuration file here
@@ -643,7 +645,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v3
-    - uses: rojopolis/spellcheck-github-actions@0.32.0
+    - uses: rojopolis/spellcheck-github-actions@0.33.0
       name: Spellcheck
 ```
 
diff --git a/action.yml b/action.yml
index bd91d026..57604f71 100644
--- a/action.yml
+++ b/action.yml
@@ -23,4 +23,4 @@ branding:
   icon: type
 runs:
   using: docker
-  image: 'docker://jonasbn/github-action-spellcheck:0.32.0'
+  image: 'docker://jonasbn/github-action-spellcheck:0.33.0'