diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index f75e208..7ffac50 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -21,8 +21,8 @@ jobs:
     runs-on: ubuntu-latest
     outputs:
       valid_version: ${{ steps.version-check-step.outputs.valid_version }}
-      dev_version: ${{ steps.version-check-step.outputs.dev_version }}
-      target_version: ${{ steps.version-check-step.outputs.target_version }}
+      dev_version: ${{ steps.dev-version-check-step.outputs.dev_version }}
+      target_version: ${{ steps.get-target-version-step.outputs.target_version }}
     steps:
       - uses: actions/checkout@v4
         with:
@@ -30,10 +30,18 @@ jobs:
 
       - name: check version
         id: version-check-step
-        shell: bash
         run: |
           make check-version; if [[ $? == 0 ]]; then echo "valid_version=true" >> $GITHUB_OUTPUT; else echo "valid_version=false" >> $GITHUB_OUTPUT; fi
-          bash -c ./build/bin/version_check.sh is_dev; if [[ $? == 0 ]]; then echo "dev_version=true" >> $GITHUB_OUTPUT; else echo "dev_version=false" >> $GITHUB_OUTPUT; fi
+
+      - name: check dev version
+        id: dev-version-check-step
+        run: |
+          bash ./build/bin/version_check.sh is_dev
+          if [[ $? == 0 ]]; then echo "dev_version=true" >> $GITHUB_OUTPUT; else echo "dev_version=false" >> $GITHUB_OUTPUT; fi
+
+      - name: get target version
+        id: get-target-version-step
+        run: |
           echo "target_version=$(cat VERSION)" >> $GITHUB_OUTPUT
 
   tag_versions:
diff --git a/build/bin/version_check.sh b/build/bin/version_check.sh
index f0b768f..5e0f4ec 100755
--- a/build/bin/version_check.sh
+++ b/build/bin/version_check.sh
@@ -78,6 +78,7 @@ case $INPUT in
 
   *)
     echo -n "unknown input"
+    exit 2
     ;;
 
 esac