diff --git a/entrypoint.sh b/entrypoint.sh
index 52bd246..b3c4561 100644
--- a/entrypoint.sh
+++ b/entrypoint.sh
@@ -34,7 +34,7 @@ if [ -n "$INPUT_PLATFORM" ]; then
 fi
 
 if [ "$INPUT_PUSH_IMAGE" = "true" ]; then
-  DOCKER_BUILD_OPTIONS+=("--push" "--output=type=image,push=true")
+  DOCKER_BUILD_OPTIONS+=("--push" "--output=type=image,push=true,compression=zstd,compression-level=8")
 fi
 
 if [ "$INPUT_PULL_CACHE" = "true" ]; then