diff --git a/package.json b/package.json
index c41d4a4a..b0a1bb7d 100644
--- a/package.json
+++ b/package.json
@@ -99,7 +99,7 @@
     "ewma": "^2.0.1",
     "find-my-way": "^2.0.1",
     "formidable": "^1.2.1",
-    "http-signature": "^1.2.0",
+    "http-signature": "^1.3.6",
     "lodash": "^4.17.11",
     "lru-cache": "^5.1.1",
     "mime": "^2.4.3",