diff --git a/package-lock.json b/package-lock.json
index aa51914..fb529e3 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4650,10 +4650,13 @@
       }
     },
     "@types/classnames": {
-      "version": "2.2.11",
-      "resolved": "https://registry.npmjs.org/@types/classnames/-/classnames-2.2.11.tgz",
-      "integrity": "sha512-2koNhpWm3DgWRp5tpkiJ8JGc1xTn2q0l+jUNUE7oMKXUf5NpI9AIdC4kbjGNFBdHtcxBD18LAksoudAVhFKCjw==",
-      "dev": true
+      "version": "2.3.1",
+      "resolved": "https://registry.npmjs.org/@types/classnames/-/classnames-2.3.1.tgz",
+      "integrity": "sha512-zeOWb0JGBoVmlQoznvqXbE0tEC/HONsnoUNH19Hc96NFsTAwTXbTqb8FMYkru1F/iqp7a18Ws3nWJvtA1sHD1A==",
+      "dev": true,
+      "requires": {
+        "classnames": "*"
+      }
     },
     "@types/graceful-fs": {
       "version": "4.1.4",
diff --git a/package.json b/package.json
index 442ab27..752aeb2 100644
--- a/package.json
+++ b/package.json
@@ -25,7 +25,7 @@
     "uuid": "^8.3.2"
   },
   "devDependencies": {
-    "@types/classnames": "^2.2.11",
+    "@types/classnames": "^2.3.1",
     "@types/jest": "^26.0.22",
     "@types/react": "^17.0.3",
     "@types/react-calendar": "^3.1.4",