diff --git a/package.json b/package.json
index 83f1e405..a319752a 100644
--- a/package.json
+++ b/package.json
@@ -39,7 +39,7 @@
   },
   "homepage": "https://github.com/streetsidesoftware/cspell-action#readme",
   "devDependencies": {
-    "@eslint/js": "^9.20.0",
+    "@eslint/js": "^9.21.0",
     "@tsconfig/node20": "^20.1.4",
     "@vitest/coverage-istanbul": "^2.1.9",
     "env-cmd": "^10.1.0",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 5eeceb2b..b7c95ff1 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -12,8 +12,8 @@ importers:
   .:
     devDependencies:
       '@eslint/js':
-        specifier: ^9.20.0
-        version: 9.20.0
+        specifier: ^9.21.0
+        version: 9.21.0
       '@tsconfig/node20':
         specifier: ^20.1.4
         version: 20.1.4
@@ -699,6 +699,10 @@ packages:
     resolution: {integrity: sha512-iZA07H9io9Wn836aVTytRaNqh00Sad+EamwOVJT12GTLw1VGMFV/4JaME+JjLtr9fiGaoWgYnS54wrfWsSs4oQ==}
     engines: {node: ^18.18.0 || ^20.9.0 || >=21.1.0}
 
+  '@eslint/js@9.21.0':
+    resolution: {integrity: sha512-BqStZ3HX8Yz6LvsF5ByXYrtigrV5AXADWLAGc7PH/1SxOb7/FIYYMszZZWiUou/GB9P2lXWk2SV4d+Z8h0nknw==}
+    engines: {node: ^18.18.0 || ^20.9.0 || >=21.1.0}
+
   '@eslint/object-schema@2.1.6':
     resolution: {integrity: sha512-RBMg5FRL0I0gs51M/guSAj5/e14VQ4tpZnQNWwuDT66P14I43ItmPfIZRhO9fUVIPOAQXU47atlywZ/czoqFPA==}
     engines: {node: ^18.18.0 || ^20.9.0 || >=21.1.0}
@@ -2529,6 +2533,8 @@ snapshots:
 
   '@eslint/js@9.20.0': {}
 
+  '@eslint/js@9.21.0': {}
+
   '@eslint/object-schema@2.1.6': {}
 
   '@eslint/plugin-kit@0.2.6':