diff --git a/package-lock.json b/package-lock.json
index 807ac8c9..4b885362 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -11,7 +11,7 @@
       "devDependencies": {
         "@egjs/hammerjs": "2.0.17",
         "@types/chai": "4.3.1",
-        "@types/mocha": "9.1.0",
+        "@types/mocha": "9.1.1",
         "@types/node": "16.11.27",
         "@types/sinon": "10.0.11",
         "assert": "2.0.0",
@@ -3123,9 +3123,9 @@
       "license": "MIT"
     },
     "node_modules/@types/mocha": {
-      "version": "9.1.0",
-      "resolved": "https://registry.npmjs.org/@types/mocha/-/mocha-9.1.0.tgz",
-      "integrity": "sha512-QCWHkbMv4Y5U9oW10Uxbr45qMMSzl4OzijsozynUAgx3kEHUdXB00udx2dWDQ7f2TU2a2uuiFaRZjCe3unPpeg==",
+      "version": "9.1.1",
+      "resolved": "https://registry.npmjs.org/@types/mocha/-/mocha-9.1.1.tgz",
+      "integrity": "sha512-Z61JK7DKDtdKTWwLeElSEBcWGRLY8g95ic5FoQqI9CMx0ns/Ghep3B4DfcEimiKMvtamNVULVNKEsiwV3aQmXw==",
       "dev": true
     },
     "node_modules/@types/node": {
@@ -20068,9 +20068,9 @@
       "dev": true
     },
     "@types/mocha": {
-      "version": "9.1.0",
-      "resolved": "https://registry.npmjs.org/@types/mocha/-/mocha-9.1.0.tgz",
-      "integrity": "sha512-QCWHkbMv4Y5U9oW10Uxbr45qMMSzl4OzijsozynUAgx3kEHUdXB00udx2dWDQ7f2TU2a2uuiFaRZjCe3unPpeg==",
+      "version": "9.1.1",
+      "resolved": "https://registry.npmjs.org/@types/mocha/-/mocha-9.1.1.tgz",
+      "integrity": "sha512-Z61JK7DKDtdKTWwLeElSEBcWGRLY8g95ic5FoQqI9CMx0ns/Ghep3B4DfcEimiKMvtamNVULVNKEsiwV3aQmXw==",
       "dev": true
     },
     "@types/node": {
diff --git a/package.json b/package.json
index 27a59a6d..0c1889c6 100644
--- a/package.json
+++ b/package.json
@@ -93,7 +93,7 @@
   "devDependencies": {
     "@egjs/hammerjs": "2.0.17",
     "@types/chai": "4.3.1",
-    "@types/mocha": "9.1.0",
+    "@types/mocha": "9.1.1",
     "@types/node": "16.11.27",
     "@types/sinon": "10.0.11",
     "assert": "2.0.0",