diff --git a/package-lock.json b/package-lock.json
index a1bfe321..413ceb8e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -30,7 +30,7 @@
         "lockfile-lint": "5.0.1",
         "ls-engines": "0.9.4",
         "npm-run-all2": "9.0.3",
-        "prettier": "3.9.8",
+        "prettier": "3.9.9",
         "publint": "0.3.24",
         "semantic-release": "25.0.9",
         "sinon": "22.1.0"
@@ -10006,9 +10006,9 @@
       }
     },
     "node_modules/prettier": {
-      "version": "3.9.8",
-      "resolved": "https://registry.npmjs.org/prettier/-/prettier-3.9.8.tgz",
-      "integrity": "sha512-WRFq3Wn3WId7LLROfMLdH7xaFr2jR62wU8nLO6rQUOLOxNZUviyJQs1M0iIhLexSFy+L+w0ch66wtoO2jRjG0A==",
+      "version": "3.9.9",
+      "resolved": "https://registry.npmjs.org/prettier/-/prettier-3.9.9.tgz",
+      "integrity": "sha512-Z/CJHIkdujO/OtN7nXUii0Rf3VT5SRuhjBA82Xvu2XhBUgX3nhP67T0LHceBdQLex7OOFGTox+Q5Yg8Jk2Qivg==",
       "dev": true,
       "license": "MIT",
       "bin": {
diff --git a/package.json b/package.json
index 0473849e..f05510a9 100644
--- a/package.json
+++ b/package.json
@@ -40,7 +40,7 @@
     "lockfile-lint": "5.0.1",
     "ls-engines": "0.9.4",
     "npm-run-all2": "9.0.3",
-    "prettier": "3.9.8",
+    "prettier": "3.9.9",
     "publint": "0.3.24",
     "semantic-release": "25.0.9",
     "sinon": "22.1.0"