diff --git a/package.json b/package.json
index 7121bec..c07cbb0 100644
--- a/package.json
+++ b/package.json
@@ -20,7 +20,7 @@
     "bluebird": "^3.4.6",
     "body-parser": "^1.12.0",
     "ejs": "^3.1.8",
-    "express": "^4.11.1",
+    "express": "^4.19.2",
     "lodash": "^4.17.2",
     "pmx": "^0.6.8",
     "string-template": "^1.0.0",