diff --git a/package.json b/package.json
index ce6b278..e2572ca 100644
--- a/package.json
+++ b/package.json
@@ -10,7 +10,7 @@
   "repository": "expressjs/csurf",
   "dependencies": {
     "cookie": "0.3.1",
-    "cookie-signature": "1.0.6",
+    "cookie-signature": "1.1.0",
     "csrf": "~3.0.6",
     "http-errors": "~1.5.1"
   },