diff --git a/explorer/package-lock.json b/explorer/package-lock.json
index d229007cd3f720..64a806df2f0a8a 100644
--- a/explorer/package-lock.json
+++ b/explorer/package-lock.json
@@ -3130,9 +3130,12 @@
       }
     },
     "@types/classnames": {
-      "version": "2.2.11",
-      "resolved": "https://registry.npmjs.org/@types/classnames/-/classnames-2.2.11.tgz",
-      "integrity": "sha512-2koNhpWm3DgWRp5tpkiJ8JGc1xTn2q0l+jUNUE7oMKXUf5NpI9AIdC4kbjGNFBdHtcxBD18LAksoudAVhFKCjw=="
+      "version": "2.3.1",
+      "resolved": "https://registry.npmjs.org/@types/classnames/-/classnames-2.3.1.tgz",
+      "integrity": "sha512-zeOWb0JGBoVmlQoznvqXbE0tEC/HONsnoUNH19Hc96NFsTAwTXbTqb8FMYkru1F/iqp7a18Ws3nWJvtA1sHD1A==",
+      "requires": {
+        "classnames": "*"
+      }
     },
     "@types/connect": {
       "version": "3.4.33",
diff --git a/explorer/package.json b/explorer/package.json
index 189854706695cd..f2a0329322d90e 100644
--- a/explorer/package.json
+++ b/explorer/package.json
@@ -14,7 +14,7 @@
     "@types/bs58": "^4.0.1",
     "@types/chai": "^4.2.14",
     "@types/chart.js": "^2.9.29",
-    "@types/classnames": "^2.2.11",
+    "@types/classnames": "^2.3.1",
     "@types/jest": "^26.0.20",
     "@types/node": "^14.14.22",
     "@types/react": "^17.0.0",