diff --git a/packages/middleware-retry/package.json b/packages/middleware-retry/package.json
index 663972a363ec..29d2fe934a0d 100644
--- a/packages/middleware-retry/package.json
+++ b/packages/middleware-retry/package.json
@@ -16,7 +16,7 @@
   "dependencies": {
     "@aws-sdk/service-error-classification": "1.0.0-gamma.1",
     "@aws-sdk/types": "1.0.0-gamma.1",
-    "tslib": "^1.8.0"
+    "tslib": "^1.9.0"
   },
   "devDependencies": {
     "@aws-sdk/protocol-http": "1.0.0-gamma.1",