diff --git a/package.json b/package.json
index 9cd73aceb51..038ef35a44e 100644
--- a/package.json
+++ b/package.json
@@ -132,7 +132,7 @@
     "normalize.css": "8.0.1",
     "nyc": "17.1.0",
     "postcss-preset-env": "10.1.1",
-    "prettier": "3.3.3",
+    "prettier": "3.4.0",
     "qunit": "2.22.0",
     "qunit-console-grouper": "0.3.0",
     "qunit-dom": "3.3.0",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index a6a23071794..df96c676dcc 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -252,7 +252,7 @@ importers:
         version: 2.0.1(eslint@9.15.0)
       eslint-plugin-prettier:
         specifier: 5.2.1
-        version: 5.2.1(@types/eslint@9.6.1)(eslint-config-prettier@9.1.0(eslint@9.15.0))(eslint@9.15.0)(prettier@3.3.3)
+        version: 5.2.1(@types/eslint@9.6.1)(eslint-config-prettier@9.1.0(eslint@9.15.0))(eslint@9.15.0)(prettier@3.4.0)
       eslint-plugin-qunit:
         specifier: 8.1.2
         version: 8.1.2(eslint@9.15.0)
@@ -284,8 +284,8 @@ importers:
         specifier: 10.1.1
         version: 10.1.1(postcss@8.4.49)
       prettier:
-        specifier: 3.3.3
-        version: 3.3.3
+        specifier: 3.4.0
+        version: 3.4.0
       qunit:
         specifier: 2.22.0
         version: 2.22.0
@@ -7088,8 +7088,8 @@ packages:
     engines: {node: '>=10.13.0'}
     hasBin: true
 
-  prettier@3.3.3:
-    resolution: {integrity: sha512-i2tDNA0O5IrMO757lfrdQZCc2jPNDVntV0m/+4whiDfWaTKfMNgR7Qz0NAeGz/nRqF4m5/6CLzbP4/liHt12Ew==}
+  prettier@3.4.0:
+    resolution: {integrity: sha512-/OXNZcLyWkfo13ofOW5M7SLh+k5pnIs07owXK2teFpnfaOEcycnSy7HQxldaVX1ZP/7Q8oO1eDuQJNwbomQq5Q==}
     engines: {node: '>=14'}
     hasBin: true
 
@@ -14941,10 +14941,10 @@ snapshots:
     dependencies:
       eslint: 9.15.0
 
-  eslint-plugin-prettier@5.2.1(@types/eslint@9.6.1)(eslint-config-prettier@9.1.0(eslint@9.15.0))(eslint@9.15.0)(prettier@3.3.3):
+  eslint-plugin-prettier@5.2.1(@types/eslint@9.6.1)(eslint-config-prettier@9.1.0(eslint@9.15.0))(eslint@9.15.0)(prettier@3.4.0):
     dependencies:
       eslint: 9.15.0
-      prettier: 3.3.3
+      prettier: 3.4.0
       prettier-linter-helpers: 1.0.0
       synckit: 0.9.2
     optionalDependencies:
@@ -17942,7 +17942,7 @@ snapshots:
 
   prettier@2.8.8: {}
 
-  prettier@3.3.3: {}
+  prettier@3.4.0: {}
 
   pretty-bytes@6.1.1: {}