diff --git a/.github/workflows/build_installation_package.yaml b/.github/workflows/build_installation_package.yaml
index b4cde2f..28e9d62 100644
--- a/.github/workflows/build_installation_package.yaml
+++ b/.github/workflows/build_installation_package.yaml
@@ -72,5 +72,5 @@ jobs:
           artifacts: "/tmp/dqmgui/dqmgui_${{ env.RELEASE_TAG }}.tar.gz"
           bodyFile: "/tmp/release_body.md"
           tag: ${{ env.RELEASE_TAG }}
-          prerelease: "true"
+          prerelease: "${{ env.IS_PRERELEASE }}"
           allowUpdates: "true"