diff --git a/packages/middleware-sdk-ec2/package.json b/packages/middleware-sdk-ec2/package.json
index c832169a889f..f70c9433aa76 100644
--- a/packages/middleware-sdk-ec2/package.json
+++ b/packages/middleware-sdk-ec2/package.json
@@ -23,6 +23,7 @@
     "@aws-sdk/types": "3.4.1",
     "@aws-sdk/util-format-url": "3.4.1",
     "@aws-sdk/util-uri-escape": "3.4.1",
+    "@aws-sdk/protocol-http": "3.5.0",
     "tslib": "^1.8.0"
   },
   "devDependencies": {