diff --git a/.github/workflows/release_pipeline.yml b/.github/workflows/release_pipeline.yml
index 3c9041b..84e0110 100644
--- a/.github/workflows/release_pipeline.yml
+++ b/.github/workflows/release_pipeline.yml
@@ -104,16 +104,8 @@ jobs:
             if [ "${REF_NAME}" = "main" ]; then
               # Infer version from manifest when on main branch
               # Use Python library for cross-platform compatibility
-              VERSION=$(python3 -c "
-import sys
-sys.path.insert(0, '${GITHUB_WORKSPACE}/scripts/lib')
-import extension_utils
-ext_info = extension_utils.get_extension_info('${GITHUB_WORKSPACE}/src')
-if ext_info:
-    print(ext_info.version)
-else:
-    sys.exit(1)
-              ")
+              # Note: Single-line format required for YAML compatibility
+              VERSION=$(python3 -c "import sys; sys.path.insert(0, '${GITHUB_WORKSPACE}/scripts/lib'); import extension_utils; ext_info = extension_utils.get_extension_info('${GITHUB_WORKSPACE}/src'); print(ext_info.version) if ext_info else sys.exit(1)")
               
               if [ -z "${VERSION}" ]; then
                 echo "ERROR: Failed to extract version from manifest" >> "${GITHUB_STEP_SUMMARY}"