diff --git a/integration_test/functions/package.json b/integration_test/functions/package.json
index aa727bc91..746d9526d 100644
--- a/integration_test/functions/package.json
+++ b/integration_test/functions/package.json
@@ -14,7 +14,7 @@
   },
   "main": "lib/index.js",
   "devDependencies": {
-    "typescript": "^2.8.3"
+    "typescript": "~2.8.3"
   },
   "private": true
 }
diff --git a/package.json b/package.json
index efae65e26..512a47a72 100644
--- a/package.json
+++ b/package.json
@@ -46,7 +46,7 @@
     "nock": "^9.0.0",
     "sinon": "^1.17.4",
     "tslint": "^3.15.1",
-    "typescript": "^2.8.3"
+    "typescript": "~2.8.3"
   },
   "peerDependencies": {
     "firebase-admin": "~5.12.1"