diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index bbffe76e..e27e0944 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -7,7 +7,7 @@ on:
       - '!main'
 
 env:
-  BUILDER_VERSION: v0.9.26
+  BUILDER_VERSION: v0.9.40
   BUILDER_HOST: https://d19elf31gohf1l.cloudfront.net
   BUILDER_SOURCE: releases
   PACKAGE_NAME: aws-c-auth