diff --git a/package-lock.json b/package-lock.json
index 9081e38a..db72d68e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -17,7 +17,7 @@
         "@types/js-yaml": "4.0.9",
         "esbuild": "0.28.1",
         "node-fetch": "2.6.12",
-        "prettier": "3.9.5",
+        "prettier": "3.9.6",
         "textlint": "15.7.1",
         "textlint-filter-rule-comments": "1.3.0",
         "textlint-rule-abbr-within-parentheses": "1.0.2",
@@ -5734,9 +5734,9 @@
       }
     },
     "node_modules/prettier": {
-      "version": "3.9.5",
-      "resolved": "https://npm.flatt.tech/prettier/-/prettier-3.9.5.tgz",
-      "integrity": "sha512-/FVl766LpUfB5vXgCYOYa0MeV/441Ia99AeICQIQFTY/Nw0roZwULcXpku5i1/m5kt/baz+s4Zogspd839HSMg==",
+      "version": "3.9.6",
+      "resolved": "https://npm.flatt.tech/prettier/-/prettier-3.9.6.tgz",
+      "integrity": "sha512-OpN0zzVdiaiAhxpuuj5efpIS4sY9j7bY6uR5mnj5yPzGkdkjNKSJeUThPb60Jw29QuAZgA4o+/iB49kFiaBX6g==",
       "dev": true,
       "license": "MIT",
       "bin": {
diff --git a/package.json b/package.json
index 619657c4..9a0d02ef 100644
--- a/package.json
+++ b/package.json
@@ -12,7 +12,7 @@
     "@types/js-yaml": "4.0.9",
     "esbuild": "0.28.1",
     "node-fetch": "2.6.12",
-    "prettier": "3.9.5",
+    "prettier": "3.9.6",
     "textlint": "15.7.1",
     "textlint-filter-rule-comments": "1.3.0",
     "textlint-rule-abbr-within-parentheses": "1.0.2",