diff --git a/package.json b/package.json
index 9211680..2d75c64 100644
--- a/package.json
+++ b/package.json
@@ -11,7 +11,7 @@
   "license": "MIT",
   "dependencies": {
     "canvas": "^2.4.1",
-    "express": "^4.13.4",
+    "express": "^4.21.0",
     "gifencoder": "^1.0.6",
     "moment": "^2.13.0"
   },