diff --git a/package-lock.json b/package-lock.json
index 1cc5a01..8ee9986 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -22,7 +22,7 @@
         "@subsquid/substrate-typegen": "2.1.0",
         "@subsquid/typeorm-codegen": "0.3.1",
         "@types/node": "^16.11.17",
-        "typescript": "^4.5.4"
+        "typescript": "^5.0.0"
       }
     },
     "node_modules/@apollo/protobufjs": {
@@ -3419,16 +3419,16 @@
       }
     },
     "node_modules/typescript": {
-      "version": "4.5.5",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.5.5.tgz",
-      "integrity": "sha512-TCTIul70LyWe6IJWT8QSYeA54WQe8EjQFU4wY52Fasj5UKx88LNYKCgBEHcOMOrFF1rKGbD8v/xcNWVUq9SymA==",
+      "version": "5.5.4",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.5.4.tgz",
+      "integrity": "sha512-Mtq29sKDAEYP7aljRgtPOpTvOfbwRWlS6dPRzwjdE+C0R4brX/GUyhHSecbHMFLNBLcJIPt9nl9yG5TZ1weH+Q==",
       "dev": true,
       "bin": {
         "tsc": "bin/tsc",
         "tsserver": "bin/tsserver"
       },
       "engines": {
-        "node": ">=4.2.0"
+        "node": ">=14.17"
       }
     },
     "node_modules/unpipe": {
@@ -6284,9 +6284,9 @@
       }
     },
     "typescript": {
-      "version": "4.5.5",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.5.5.tgz",
-      "integrity": "sha512-TCTIul70LyWe6IJWT8QSYeA54WQe8EjQFU4wY52Fasj5UKx88LNYKCgBEHcOMOrFF1rKGbD8v/xcNWVUq9SymA==",
+      "version": "5.5.4",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.5.4.tgz",
+      "integrity": "sha512-Mtq29sKDAEYP7aljRgtPOpTvOfbwRWlS6dPRzwjdE+C0R4brX/GUyhHSecbHMFLNBLcJIPt9nl9yG5TZ1weH+Q==",
       "dev": true
     },
     "unpipe": {
diff --git a/package.json b/package.json
index 85abe06..2e12875 100644
--- a/package.json
+++ b/package.json
@@ -24,6 +24,6 @@
     "@subsquid/substrate-metadata-explorer": "1.0.9",
     "@subsquid/substrate-typegen": "2.1.0",
     "@types/node": "^16.11.17",
-    "typescript": "^4.5.4"
+    "typescript": "^5.0.0"
   }
 }