diff --git a/package.json b/package.json
index d721216e..ebe90026 100644
--- a/package.json
+++ b/package.json
@@ -40,7 +40,7 @@
     "dword": "~1.7.0",
     "edward": "~1.7.0",
     "execon": "~1.2.0",
-    "express": "~4.12.0",
+    "express": "~4.13.0",
     "faust": "~1.0.0",
     "files-io": "~1.2.0",
     "flop": "~1.1.0",