diff --git a/package.json b/package.json
index ebb8aae5..c763b671 100644
--- a/package.json
+++ b/package.json
@@ -70,7 +70,7 @@
     "@types/mocha": "^5.2.5",
     "@types/proxyquire": "^1.3.28",
     "@types/request": "^2.48.0",
-    "@types/sinon": "^5.0.5",
+    "@types/sinon": "5.0.5",
     "@types/uuid": "^3.4.4",
     "codecov": "^3.0.0",
     "eslint": "^5.0.0",