diff --git a/explorer/package-lock.json b/explorer/package-lock.json
index 159517c419..2d009ae0f6 100644
--- a/explorer/package-lock.json
+++ b/explorer/package-lock.json
@@ -57,7 +57,7 @@
         "react-select": "^4.3.1",
         "sass": "^1.44.0",
         "superstruct": "^0.15.3",
-        "typescript": "^4.5.2"
+        "typescript": "^4.5.3"
       }
     },
     "node_modules/@babel/code-frame": {
@@ -24636,9 +24636,9 @@
       "integrity": "sha512-7uc1O8h1M1g0rArakJdf0uLRSSgFcYexrVoKo+bzJd32gd4gDy2L/Z+8/FjPnU9ydY3pEnVPtr9FyscYY60K1g=="
     },
     "node_modules/typescript": {
-      "version": "4.5.2",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.5.2.tgz",
-      "integrity": "sha512-5BlMof9H1yGt0P8/WF+wPNw6GfctgGjXp5hkblpyT+8rkASSmkUKMXrxR0Xg8ThVCi/JnHQiKXeBaEwCeQwMFw==",
+      "version": "4.5.3",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.5.3.tgz",
+      "integrity": "sha512-eVYaEHALSt+s9LbvgEv4Ef+Tdq7hBiIZgii12xXJnukryt3pMgJf6aKhoCZ3FWQsu6sydEnkg11fYXLzhLBjeQ==",
       "bin": {
         "tsc": "bin/tsc",
         "tsserver": "bin/tsserver"
@@ -46021,9 +46021,9 @@
       "integrity": "sha512-7uc1O8h1M1g0rArakJdf0uLRSSgFcYexrVoKo+bzJd32gd4gDy2L/Z+8/FjPnU9ydY3pEnVPtr9FyscYY60K1g=="
     },
     "typescript": {
-      "version": "4.5.2",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.5.2.tgz",
-      "integrity": "sha512-5BlMof9H1yGt0P8/WF+wPNw6GfctgGjXp5hkblpyT+8rkASSmkUKMXrxR0Xg8ThVCi/JnHQiKXeBaEwCeQwMFw=="
+      "version": "4.5.3",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.5.3.tgz",
+      "integrity": "sha512-eVYaEHALSt+s9LbvgEv4Ef+Tdq7hBiIZgii12xXJnukryt3pMgJf6aKhoCZ3FWQsu6sydEnkg11fYXLzhLBjeQ=="
     },
     "ua-parser-js": {
       "version": "0.7.28",
diff --git a/explorer/package.json b/explorer/package.json
index 2ca335310a..34dc193b42 100644
--- a/explorer/package.json
+++ b/explorer/package.json
@@ -52,7 +52,7 @@
     "react-select": "^4.3.1",
     "sass": "^1.44.0",
     "superstruct": "^0.15.3",
-    "typescript": "^4.5.2"
+    "typescript": "^4.5.3"
   },
   "scripts": {
     "start": "react-scripts start",