diff --git a/package.json b/package.json
index cf4c20475..0ebaf039b 100644
--- a/package.json
+++ b/package.json
@@ -48,7 +48,7 @@
     "github-markdown-css": "^5.5.0",
     "lint-staged": "^15.2.0",
     "pkg": "link:packages/pkg",
-    "prettier": "^3.2.4",
+    "prettier": "^3.4.0",
     "react": "^18.2.0",
     "react-dom": "^18.2.0",
     "react-router-dom": "^6.21.3",
@@ -66,7 +66,7 @@
     "vitest": "^1.2.1"
   },
   "resolutions": {
-    "prettier": "^3.2.4"
+    "prettier": "^3.4.0"
   },
   "browserslist": [
     "extends @1stg/browserslist-config/modern"
diff --git a/yarn.lock b/yarn.lock
index bb51e080c..0ba087ad2 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -14321,7 +14321,7 @@ __metadata:
     github-markdown-css: "npm:^5.5.0"
     lint-staged: "npm:^15.2.0"
     pkg: "link:packages/pkg"
-    prettier: "npm:^3.2.4"
+    prettier: "npm:^3.4.0"
     react: "npm:^18.2.0"
     react-dom: "npm:^18.2.0"
     react-router-dom: "npm:^6.21.3"
@@ -16475,12 +16475,12 @@ __metadata:
   languageName: node
   linkType: hard
 
-"prettier@npm:^3.2.4":
-  version: 3.2.4
-  resolution: "prettier@npm:3.2.4"
+"prettier@npm:^3.4.0":
+  version: 3.4.0
+  resolution: "prettier@npm:3.4.0"
   bin:
     prettier: bin/prettier.cjs
-  checksum: e2b735d0552501b3a7ac8bd3ba3b6de2920bb35bd4cd02d08cb9057ebe3e96d83b9a7e4b903d987b7530a50223b12c74d107c154337236ae2c68156ba1e65cd2
+  checksum: 9116f4dfd1b064025b776bc5b8ca1fe68555d606fb38771f8d73cfdafd9bf60ca9eea27a56f5c526abdf0f4a711122a9c683fbcd029d74415a2163dbb1eb416b
   languageName: node
   linkType: hard