diff --git a/tasks/openapi-generate/task.yaml b/tasks/openapi-generate/task.yaml
index b9c16dd..5ec5b1c 100644
--- a/tasks/openapi-generate/task.yaml
+++ b/tasks/openapi-generate/task.yaml
@@ -63,8 +63,8 @@ spec:
         - $(params.generatorOptions[*])  # 배열 확장
 
     - name: write-output-result
-      image: bash:latest
+      image: alpine:latest
       script: |
-        #!/bin/bash
+        #!/bin/sh
         OUTPUT="/workspace/base/$(params.context)/output/$(params.packageNamePrefix)$(params.specDomain)-$(params.version)-$(params.generator)"
         echo -n "${OUTPUT}" > $(results.output.path)
\ No newline at end of file