diff --git a/.github/workflows/analyze-releases-for-adk-docs-updates.yml b/.github/workflows/analyze-releases-for-adk-docs-updates.yml
index 7932ecad32..cc6277514e 100644
--- a/.github/workflows/analyze-releases-for-adk-docs-updates.yml
+++ b/.github/workflows/analyze-releases-for-adk-docs-updates.yml
@@ -65,11 +65,23 @@ jobs:
           CODE_REPO: 'adk-python'
           INTERACTIVE: 0
           PYTHONPATH: contributing/samples/adk_documentation
-        run: >-
-          python -m adk_release_analyzer.main
-          ${{ github.event.inputs.resume == 'true' && '--resume' || '' }}
-          ${{ github.event.inputs.start_tag && format('--start-tag {0}', github.event.inputs.start_tag) || '' }}
-          ${{ github.event.inputs.end_tag && format('--end-tag {0}', github.event.inputs.end_tag) || '' }}
+          ANALYZER_RESUME: ${{ github.event.inputs.resume }}
+          ANALYZER_START_TAG: ${{ github.event.inputs.start_tag }}
+          ANALYZER_END_TAG: ${{ github.event.inputs.end_tag }}
+        shell: bash
+        run: |
+          set -euo pipefail
+          args=()
+          if [[ "${ANALYZER_RESUME:-false}" == "true" ]]; then
+            args+=(--resume)
+          fi
+          if [[ -n "${ANALYZER_START_TAG:-}" ]]; then
+            args+=(--start-tag "$ANALYZER_START_TAG")
+          fi
+          if [[ -n "${ANALYZER_END_TAG:-}" ]]; then
+            args+=(--end-tag "$ANALYZER_END_TAG")
+          fi
+          python -m adk_release_analyzer.main "${args[@]}"
 
       - name: Save session DB to cache
         if: always()