diff --git a/package.json b/package.json
index 77c5ea2..35c286c 100644
--- a/package.json
+++ b/package.json
@@ -24,7 +24,7 @@
     "chai": "4.3.10",
     "eslint-plugin-mocha": "10.2.0",
     "mocha": "10.0.0",
-    "prettier": "2.8.1",
+    "prettier": "3.3.2",
     "remark-cli": "11.0.0",
     "ts-node": "10.9.2",
     "tsheredoc": "1.0.1",
diff --git a/yarn.lock b/yarn.lock
index b2e6f86..682440d 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1288,7 +1288,7 @@ __metadata:
     globby: ^13.1.2
     is-text-path: ^2.0.0
     mocha: 10.0.0
-    prettier: 2.8.1
+    prettier: 3.3.2
     remark-cli: 11.0.0
     remark-gfm: ^3.0.1
     remark-parse: ^10.0.1
@@ -4420,7 +4420,16 @@ __metadata:
   languageName: node
   linkType: hard
 
-"prettier@npm:2.8.1, prettier@npm:^2.6.2":
+"prettier@npm:3.3.2":
+  version: 3.3.2
+  resolution: "prettier@npm:3.3.2"
+  bin:
+    prettier: bin/prettier.cjs
+  checksum: 5557d8caed0b182f68123c2e1e370ef105251d1dd75800fadaece3d061daf96b1389141634febf776050f9d732c7ae8fd444ff0b4a61b20535e7610552f32c69
+  languageName: node
+  linkType: hard
+
+"prettier@npm:^2.6.2":
   version: 2.8.1
   resolution: "prettier@npm:2.8.1"
   bin: