diff --git a/explorer/package-lock.json b/explorer/package-lock.json
index a6031c81d3..7e128be132 100644
--- a/explorer/package-lock.json
+++ b/explorer/package-lock.json
@@ -18429,9 +18429,9 @@
       }
     },
     "typescript": {
-      "version": "4.1.5",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.1.5.tgz",
-      "integrity": "sha512-6OSu9PTIzmn9TCDiovULTnET6BgXtDYL4Gg4szY+cGsc3JP1dQL8qvE8kShTRx1NIw4Q9IBHlwODjkjWEtMUyA=="
+      "version": "4.2.2",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.2.2.tgz",
+      "integrity": "sha512-tbb+NVrLfnsJy3M59lsDgrzWIflR4d4TIUjz+heUnHZwdF7YsrMTKoRERiIvI2lvBG95dfpLxB21WZhys1bgaQ=="
     },
     "unicode-canonical-property-names-ecmascript": {
       "version": "1.0.4",
diff --git a/explorer/package.json b/explorer/package.json
index 3726f016b9..7d315b4bef 100644
--- a/explorer/package.json
+++ b/explorer/package.json
@@ -41,7 +41,7 @@
     "react-scripts": "^4.0.3",
     "react-select": "^4.1.0",
     "superstruct": "github:solana-labs/superstruct",
-    "typescript": "^4.1.5"
+    "typescript": "^4.2.2"
   },
   "scripts": {
     "start": "react-scripts start",