diff --git a/scripts/deploy.sh b/scripts/deploy.sh
index d622a181..d15d25f1 100755
--- a/scripts/deploy.sh
+++ b/scripts/deploy.sh
@@ -10,7 +10,7 @@ AWS_S3_BUCKET_BETA="beta.kremalicious.com"
 set -e;
 
 function s3sync {
-  aws s3 sync ./public s3://"$1" --exclude "*.html" --exclude "*.xml" --cache-control max-age=31536000,public --delete --acl public-read
+  aws s3 sync ./public s3://"$1" --exclude "*.html" --exclude "*.xml" --cache-control max-age=31536000,public,immutable --delete --acl public-read
 
   aws s3 sync ./public s3://"$1" --exclude "*" --include "*.html" --include "*.xml" --cache-control max-age=0,no-cache,no-store,must-revalidate --delete --acl public-read
 }