diff --git a/package.json b/package.json
index 36387796..a5952c82 100644
--- a/package.json
+++ b/package.json
@@ -15,7 +15,7 @@
   "license": "MIT",
   "dependencies": {
     "cookie": "~0.7.2",
-    "cookie-signature": "~1.0.7",
+    "cookie-signature": "~1.2.2",
     "debug": "~2.6.9",
     "depd": "~2.0.0",
     "on-headers": "~1.1.0",