diff --git a/package.json b/package.json
index dce82c6..e2841d5 100644
--- a/package.json
+++ b/package.json
@@ -36,7 +36,7 @@
     "@types/chai": "^4.0.0",
     "@types/node": "^7.0.18",
     "@types/sinon": "^2.3.1",
-    "@types/sinon-chai": "^2.7.28",
+    "@types/sinon-chai": "^3.2.0",
     "awesome-typescript-loader": "^3.1.3",
     "chai": "^4.0.2",
     "coveralls": "^2.13.1",