diff --git a/.github/workflows/update-aws-catalog.yml b/.github/workflows/update-aws-catalog.yml
index 45c5ed76..41b3b76d 100644
--- a/.github/workflows/update-aws-catalog.yml
+++ b/.github/workflows/update-aws-catalog.yml
@@ -55,8 +55,7 @@ jobs:
             python -m sky.clouds.service_catalog.data_fetchers.fetch_aws --no-az-mappings --check-all-regions-enabled-for-account
             cd -
           done
-          echo "versions=$versions" >> $GITHUB_OUTPUT
-          echo "commit_hashes=$commit_hashes" >> $GITHUB_OUTPUT
+          echo "versions=\"$versions\"" >> $GITHUB_OUTPUT
         env:
           AWS_ACCESS_KEY_ID: ${{ secrets.AWS_ACCESS_KEY_ID }}
           AWS_SECRET_ACCESS_KEY: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
diff --git a/.github/workflows/update-fluidstack-catalog.yml b/.github/workflows/update-fluidstack-catalog.yml
index 8d1f7bb8..33869b23 100644
--- a/.github/workflows/update-fluidstack-catalog.yml
+++ b/.github/workflows/update-fluidstack-catalog.yml
@@ -56,7 +56,7 @@ jobs:
             python -m  sky.clouds.service_catalog.data_fetchers.fetch_fluidstack
             cd -
           done
-          echo "versions=$versions" >> $GITHUB_OUTPUT
+          echo "versions=\"$versions\"" >> $GITHUB_OUTPUT
         env:
           FLUIDSTACK_API_KEY: ${{ secrets.FLUIDSTACK_API_KEY }}
       - name: Commit catalog
diff --git a/.github/workflows/update-gcp-catalog.yml b/.github/workflows/update-gcp-catalog.yml
index e3e43147..fa23b562 100644
--- a/.github/workflows/update-gcp-catalog.yml
+++ b/.github/workflows/update-gcp-catalog.yml
@@ -64,7 +64,7 @@ jobs:
             python -u -m sky.clouds.service_catalog.data_fetchers.fetch_gcp --all-regions --single-threaded
             cd -
           done
-          echo "versions=$versions" >> $GITHUB_OUTPUT
+          echo "versions=\"$versions\"" >> $GITHUB_OUTPUT
         env:
           GCP_SERVICE_ACCOUNT_KEY: ${{ secrets.GCP_SERVICE_ACCOUNT_KEY }}
           GCP_PROJECT_ID: ${{ secrets.GCP_PROJECT_ID }}
diff --git a/.github/workflows/update-lambda-catalog.yml b/.github/workflows/update-lambda-catalog.yml
index 6d8a6ab4..9ce385c8 100644
--- a/.github/workflows/update-lambda-catalog.yml
+++ b/.github/workflows/update-lambda-catalog.yml
@@ -56,7 +56,7 @@ jobs:
             python -m sky.clouds.service_catalog.data_fetchers.fetch_lambda_cloud --api-key ${LAMBDA_API_KEY}
             cd -
           done
-          echo "versions=$versions" >> $GITHUB_OUTPUT
+          echo "versions=\"$versions\"" >> $GITHUB_OUTPUT
         env:
           LAMBDA_API_KEY: ${{ secrets.LAMBDA_API_KEY }}