diff --git a/package.json b/package.json
index ab37778..260e1ad 100644
--- a/package.json
+++ b/package.json
@@ -32,7 +32,7 @@
     "run-for-every-file": "^1.1.0",
     "shenanigans-manager": "^0.2.36",
     "sinon": "^7.3.1",
-    "sinon-chai": "^3.3.0",
+    "sinon-chai": "^3.5.0",
     "tslint": "5.15.0",
     "tsutils": "^3.10.0",
     "typedoc": "^0.14.2",