diff --git a/.github/workflows/test_build_wheels_linux_python_versions.yml b/.github/workflows/test_build_wheels_linux_python_versions.yml
index 7c9cd97895..7fdd214e66 100644
--- a/.github/workflows/test_build_wheels_linux_python_versions.yml
+++ b/.github/workflows/test_build_wheels_linux_python_versions.yml
@@ -45,7 +45,7 @@ jobs:
       test-infra-repository: ${{ github.repository }}
       test-infra-ref: ${{ github.ref }}
       build-matrix: ${{ needs.generate-matrix.outputs.matrix }}
-      submodules: true
+      submodules: 'true'
       env-var-script: build/packaging/env_var_script_linux.sh
       pre-script: ${{ matrix.pre-script }}
       post-script: ${{ matrix.post-script }}