diff --git a/package.json b/package.json
index e76357b..971e9e9 100644
--- a/package.json
+++ b/package.json
@@ -23,7 +23,7 @@
   },
   "devDependencies": {
     "@sindresorhus/tsconfig": "8.1.0",
-    "prettier": "3.9.8",
+    "prettier": "3.9.9",
     "typescript": "7.0.2"
   },
   "engines": {
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index f02c705..33e9cbc 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -9,8 +9,8 @@ devDependencies:
     specifier: 8.1.0
     version: 8.1.0
   prettier:
-    specifier: 3.9.8
-    version: 3.9.8
+    specifier: 3.9.9
+    version: 3.9.9
   typescript:
     specifier: 7.0.2
     version: 7.0.2
@@ -202,8 +202,8 @@ packages:
     dev: true
     optional: true
 
-  /prettier@3.9.8:
-    resolution: {integrity: sha512-WRFq3Wn3WId7LLROfMLdH7xaFr2jR62wU8nLO6rQUOLOxNZUviyJQs1M0iIhLexSFy+L+w0ch66wtoO2jRjG0A==}
+  /prettier@3.9.9:
+    resolution: {integrity: sha512-Z/CJHIkdujO/OtN7nXUii0Rf3VT5SRuhjBA82Xvu2XhBUgX3nhP67T0LHceBdQLex7OOFGTox+Q5Yg8Jk2Qivg==}
     engines: {node: '>=14'}
     hasBin: true
     dev: true