diff --git a/bucket/aws-iam-authenticator.json b/bucket/aws-iam-authenticator.json
index a6d5740cce..85fc88a157 100644
--- a/bucket/aws-iam-authenticator.json
+++ b/bucket/aws-iam-authenticator.json
@@ -2,8 +2,8 @@
     "homepage": "https://docs.aws.amazon.com/eks/latest/userguide/install-aws-iam-authenticator.html",
     "description": "A tool to use AWS IAM credentials to authenticate to a Kubernetes cluster",
     "license": "Apache-2.0",
-    "version": "2019-06-11",
-    "url": "https://amazon-eks.s3-us-west-2.amazonaws.com/1.13.7/2019-06-11/bin/windows/amd64/aws-iam-authenticator.exe",
+    "version": "2019-08-14",
+    "url": "https://amazon-eks.s3-us-west-2.amazonaws.com/1.13.8/2019-08-14/bin/windows/amd64/aws-iam-authenticator.exe",
     "hash": "9014193536bc97b79bf8d5540954548704453648bba63d74ac63e0b0f32aab49",
     "bin": "aws-iam-authenticator.exe",
     "checkver": "/(?<kubernetes>[\\d.]+)/(?<version>[\\d-]+)/bin/windows/amd64/aws-iam-authenticator.exe",