diff --git a/client/look-and-feel/css/package.json b/client/look-and-feel/css/package.json
index 83b05cfee..f8abf0ab4 100644
--- a/client/look-and-feel/css/package.json
+++ b/client/look-and-feel/css/package.json
@@ -68,7 +68,7 @@
     "postcss-normalize": "^10.0.1",
     "postcss-preset-env": "^9.5.2",
     "postcss-scss": "^4.0.9",
-    "prettier": "^3.3.3",
+    "prettier": "^3.4.2",
     "rimraf": "^6.0.1",
     "storybook": "^8.3.5",
     "stylelint": "^16.11.0",
diff --git a/client/look-and-feel/react/package.json b/client/look-and-feel/react/package.json
index b12c05814..e9344f6b6 100644
--- a/client/look-and-feel/react/package.json
+++ b/client/look-and-feel/react/package.json
@@ -106,7 +106,7 @@
     "eslint-plugin-storybook": "^0.9.0",
     "jest-axe": "^8.0.0",
     "jsdom": "^25.0.1",
-    "prettier": "^3.3.3",
+    "prettier": "^3.4.2",
     "prop-types": "^15.8.1",
     "react": "^18.3.1",
     "react-dom": "^18.2.0",
diff --git a/package-lock.json b/package-lock.json
index 02084bf06..c366d7b7d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -69,7 +69,7 @@
         "postcss-normalize": "^10.0.1",
         "postcss-preset-env": "^9.5.2",
         "postcss-scss": "^4.0.9",
-        "prettier": "^3.3.3",
+        "prettier": "^3.4.2",
         "rimraf": "^6.0.1",
         "storybook": "^8.3.5",
         "stylelint": "^16.11.0",
@@ -189,7 +189,7 @@
         "eslint-plugin-storybook": "^0.9.0",
         "jest-axe": "^8.0.0",
         "jsdom": "^25.0.1",
-        "prettier": "^3.3.3",
+        "prettier": "^3.4.2",
         "prop-types": "^15.8.1",
         "react": "^18.3.1",
         "react-dom": "^18.2.0",
@@ -15905,11 +15905,10 @@
       }
     },
     "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"
       },
@@ -20625,7 +20624,7 @@
         "postcss-normalize": "^10.0.1",
         "postcss-preset-env": "^9.5.2",
         "postcss-scss": "^4.0.9",
-        "prettier": "^3.3.3",
+        "prettier": "^3.4.2",
         "rimraf": "^6.0.1",
         "storybook": "^8.3.5",
         "stylelint": "^16.11.0",
@@ -20762,7 +20761,7 @@
         "eslint-plugin-storybook": "^0.9.0",
         "jest-axe": "^8.0.0",
         "jsdom": "^25.0.1",
-        "prettier": "^3.3.3",
+        "prettier": "^3.4.2",
         "prop-types": "^15.8.1",
         "react": "^18.3.1",
         "react-dom": "^18.2.0",
diff --git a/slash/css/package.json b/slash/css/package.json
index 6e017495f..9e1bcf426 100644
--- a/slash/css/package.json
+++ b/slash/css/package.json
@@ -71,7 +71,7 @@
     "postcss-normalize": "^10.0.1",
     "postcss-preset-env": "^9.5.2",
     "postcss-scss": "^4.0.9",
-    "prettier": "^3.3.3",
+    "prettier": "^3.4.2",
     "rimraf": "^6.0.1",
     "storybook": "^8.3.5",
     "stylelint": "^16.11.0",
diff --git a/slash/react/package.json b/slash/react/package.json
index 9cd0c758e..8b9a62ab9 100644
--- a/slash/react/package.json
+++ b/slash/react/package.json
@@ -106,7 +106,7 @@
     "eslint-plugin-storybook": "^0.9.0",
     "jest-axe": "^8.0.0",
     "jsdom": "^25.0.1",
-    "prettier": "^3.3.3",
+    "prettier": "^3.4.2",
     "prop-types": "^15.8.1",
     "react": "^18.3.1",
     "react-dom": "^18.2.0",