diff --git a/package.json b/package.json
index 71f3c51..ec8f8bd 100644
--- a/package.json
+++ b/package.json
@@ -43,7 +43,7 @@
     "eslint": "9.14.0",
     "globals": "15.12.0",
     "jest": "29.6.4",
-    "prettier": "3.3.3",
+    "prettier": "3.4.1",
     "ts-jest": "29.2.5",
     "typescript": "5.7.2",
     "typescript-eslint": "8.16.0"
diff --git a/packages/omgidl-parser/package.json b/packages/omgidl-parser/package.json
index f2f055c..6f4b621 100644
--- a/packages/omgidl-parser/package.json
+++ b/packages/omgidl-parser/package.json
@@ -53,7 +53,7 @@
     "moo": "^0.5.2",
     "nearley": "^2.20.1",
     "nearley-loader": "^2.0.0",
-    "prettier": "3.3.3",
+    "prettier": "3.4.1",
     "rimraf": "6.0.1",
     "ts-jest": "29.2.5",
     "ts-loader": "^9.5.1",
diff --git a/packages/ros2idl-parser/package.json b/packages/ros2idl-parser/package.json
index 0d566ad..d743dc9 100644
--- a/packages/ros2idl-parser/package.json
+++ b/packages/ros2idl-parser/package.json
@@ -53,7 +53,7 @@
   "devDependencies": {
     "@types/jest": "^28.0.0",
     "jest": "28.1.3",
-    "prettier": "3.3.3",
+    "prettier": "3.4.1",
     "rimraf": "6.0.1",
     "ts-jest": "^29.2.5",
     "ts-loader": "9.5.1",
diff --git a/yarn.lock b/yarn.lock
index 74dd54b..c198d88 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -559,7 +559,7 @@ __metadata:
     eslint: 9.14.0
     globals: 15.12.0
     jest: 29.6.4
-    prettier: 3.3.3
+    prettier: 3.4.1
     ts-jest: 29.2.5
     typescript: 5.7.2
     typescript-eslint: 8.16.0
@@ -578,7 +578,7 @@ __metadata:
     moo: ^0.5.2
     nearley: ^2.20.1
     nearley-loader: ^2.0.0
-    prettier: 3.3.3
+    prettier: 3.4.1
     rimraf: 6.0.1
     ts-jest: 29.2.5
     ts-loader: ^9.5.1
@@ -610,7 +610,7 @@ __metadata:
     "@types/jest": ^28.0.0
     jest: 28.1.3
     md5-typescript: ^1.0.5
-    prettier: 3.3.3
+    prettier: 3.4.1
     rimraf: 6.0.1
     ts-jest: ^29.2.5
     ts-loader: 9.5.1
@@ -6430,12 +6430,12 @@ __metadata:
   languageName: node
   linkType: hard
 
-"prettier@npm:3.3.3":
-  version: 3.3.3
-  resolution: "prettier@npm:3.3.3"
+"prettier@npm:3.4.1":
+  version: 3.4.1
+  resolution: "prettier@npm:3.4.1"
   bin:
     prettier: bin/prettier.cjs
-  checksum: bc8604354805acfdde6106852d14b045bb20827ad76a5ffc2455b71a8257f94de93f17f14e463fe844808d2ccc87248364a5691488a3304f1031326e62d9276e
+  checksum: f83ae83e38ae38f42c0b174833f58f820ed6eb063abfc5aa6725e8f9c1d626b54b1cb9d595cace525f8d59de89e186285f6bbcb460dc644ea9d8a7823cc54aca
   languageName: node
   linkType: hard