diff --git a/buildspec.yml b/buildspec.yml
index 65628aa1..367dd69e 100644
--- a/buildspec.yml
+++ b/buildspec.yml
@@ -54,7 +54,7 @@ phases:
       - go build -o ssosync main.go
 
       # Package our application with AWS SAM
-      - aws cloudformation package --template template.yml --s3-bucket $S3_BUCKET --output-template packaged.yml
+      - aws cloudformation package --template template.yml --s3-bucket ${ARTIFACT_S3_BUCKET} --output-template packaged.yml
 
 artifacts:
   files: