diff --git a/package-lock.json b/package-lock.json
index de82fa17..4902ea3a 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -25,7 +25,7 @@
         "lockfile-lint": "5.0.0",
         "ls-engines": "0.10.1",
         "npm-run-all2": "5.0.2",
-        "prettier": "3.5.3",
+        "prettier": "3.9.5",
         "publint": "0.3.21",
         "semantic-release": "25.0.8",
         "sinon": "21.0.1",
@@ -9100,9 +9100,9 @@
       }
     },
     "node_modules/prettier": {
-      "version": "3.5.3",
-      "resolved": "https://registry.npmjs.org/prettier/-/prettier-3.5.3.tgz",
-      "integrity": "sha512-QQtaxnoDJeAkDvDKWCLiwIXkTgRhwYDEQCghU9Z6q03iyek/rxRh/2lC3HB7P8sWT2xC/y5JDctPLBIGzHKbhw==",
+      "version": "3.9.5",
+      "resolved": "https://registry.npmjs.org/prettier/-/prettier-3.9.5.tgz",
+      "integrity": "sha512-/FVl766LpUfB5vXgCYOYa0MeV/441Ia99AeICQIQFTY/Nw0roZwULcXpku5i1/m5kt/baz+s4Zogspd839HSMg==",
       "dev": true,
       "license": "MIT",
       "bin": {
diff --git a/package.json b/package.json
index 5c72ad02..48e9c32a 100644
--- a/package.json
+++ b/package.json
@@ -36,7 +36,7 @@
     "lockfile-lint": "5.0.0",
     "ls-engines": "0.10.1",
     "npm-run-all2": "5.0.2",
-    "prettier": "3.5.3",
+    "prettier": "3.9.5",
     "publint": "0.3.21",
     "semantic-release": "25.0.8",
     "sinon": "21.0.1",