diff --git a/mock-server/package.json b/mock-server/package.json
index 27f042bf..9f134b5c 100755
--- a/mock-server/package.json
+++ b/mock-server/package.json
@@ -62,7 +62,7 @@
     "gts": "3.1.1",
     "jest": "27.5.1",
     "ts-jest": "27.1.5",
-    "typescript": "4.8.4",
+    "typescript": "4.9.5",
     "wait-on": "6.0.1"
   }
 }
diff --git a/package.json b/package.json
index 8d27767e..9e298701 100755
--- a/package.json
+++ b/package.json
@@ -85,6 +85,6 @@
     "gts": "3.1.1",
     "mocha": "9.2.2",
     "@exxeta/openapi-cop-mock-server": "1.0.1",
-    "typescript": "4.0.5"
+    "typescript": "4.9.5"
   }
 }