diff --git a/package-lock.json b/package-lock.json
index 34f448b..c971f4d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -14,7 +14,7 @@
       },
       "devDependencies": {
         "serve": "^14.2.3",
-        "typescript": "~5.4.5"
+        "typescript": "~5.5.2"
       }
     },
     "node_modules/@lit-labs/ssr-dom-shim": {
@@ -962,9 +962,9 @@
       }
     },
     "node_modules/typescript": {
-      "version": "5.4.5",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.4.5.tgz",
-      "integrity": "sha512-vcI4UpRgg81oIRUFwR0WSIHKt11nJ7SAVlYNIu+QpqeyXP+gpQJy/Z4+F0aGxSE4MqwjyXvW/TzgkLAx2AGHwQ==",
+      "version": "5.5.2",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.5.2.tgz",
+      "integrity": "sha512-NcRtPEOsPFFWjobJEtfihkLCZCXZt/os3zf8nTxjVH3RvTSxjrCamJpbExGvYOF+tFHc3pA65qpdwPbzjohhew==",
       "dev": true,
       "bin": {
         "tsc": "bin/tsc",
diff --git a/package.json b/package.json
index f4fa9e8..7ee13c8 100644
--- a/package.json
+++ b/package.json
@@ -18,7 +18,7 @@
   },
   "devDependencies": {
     "serve": "^14.2.3",
-    "typescript": "~5.4.5"
+    "typescript": "~5.5.2"
   },
   "repository": {
     "type": "git",