diff --git a/src/vscode-bicep/package-lock.json b/src/vscode-bicep/package-lock.json
index a443e6e0430..a7d8cc0b566 100644
--- a/src/vscode-bicep/package-lock.json
+++ b/src/vscode-bicep/package-lock.json
@@ -65,7 +65,7 @@
         "moment": "^2.30.1",
         "ncp": "^2.0.0",
         "nerdbank-gitversioning": "^3.6.146",
-        "prettier": "^3.3.3",
+        "prettier": "^3.4.2",
         "react-test-renderer": "^18.3.1",
         "rimraf": "^6.0.1",
         "semver": "^7.6.3",
@@ -12616,11 +12616,10 @@
       }
     },
     "node_modules/prettier": {
-      "version": "3.3.3",
-      "resolved": "https://registry.npmjs.org/prettier/-/prettier-3.3.3.tgz",
-      "integrity": "sha512-i2tDNA0O5IrMO757lfrdQZCc2jPNDVntV0m/+4whiDfWaTKfMNgR7Qz0NAeGz/nRqF4m5/6CLzbP4/liHt12Ew==",
+      "version": "3.4.2",
+      "resolved": "https://registry.npmjs.org/prettier/-/prettier-3.4.2.tgz",
+      "integrity": "sha512-e9MewbtFo+Fevyuxn/4rrcDAaq0IYxPGLvObpQjiZBMAzB9IGmzlnG9RZy3FFas+eBMu2vA0CszMeduow5dIuQ==",
       "dev": true,
-      "license": "MIT",
       "bin": {
         "prettier": "bin/prettier.cjs"
       },
diff --git a/src/vscode-bicep/package.json b/src/vscode-bicep/package.json
index e0930ab6906..453b9284523 100644
--- a/src/vscode-bicep/package.json
+++ b/src/vscode-bicep/package.json
@@ -790,7 +790,7 @@
     "moment": "^2.30.1",
     "ncp": "^2.0.0",
     "nerdbank-gitversioning": "^3.6.146",
-    "prettier": "^3.3.3",
+    "prettier": "^3.4.2",
     "react-test-renderer": "^18.3.1",
     "rimraf": "^6.0.1",
     "semver": "^7.6.3",