diff --git a/.github/workflows/prebuild.yml b/.github/workflows/prebuild.yml
index 7fb6a2d09..8b964124c 100644
--- a/.github/workflows/prebuild.yml
+++ b/.github/workflows/prebuild.yml
@@ -58,21 +58,15 @@ jobs:
         with:
           files: prebuild-win32.tar
   build-centos-7:
-    #if: startsWith(github.ref, 'refs/tags/')
+    if: startsWith(github.ref, 'refs/tags/')
     env:
       LMDB_DATA_V1: ${{ contains(github.ref, '-v1') }}
-      ACTIONS_ALLOW_USE_UNSECURE_NODE_VERSION: true
+      ACTIONS_ALLOW_USE_UNSECURE_NODE_VERSION: true # workaround for terrible checkout bug: https://github.com/actions/checkout/issues/1809
       ACTIONS_RUNNER_FORCED_INTERNAL_NODE_VERSION: node16
       ACTIONS_RUNNER_FORCE_ACTIONS_NODE_VERSION: node16
     runs-on: ubuntu-20.04
     container: quay.io/pypa/manylinux2014_x86_64
     steps:
-      - run: |
-          #export ACTIONS_RUNNER_FORCED_INTERNAL_NODE_VERSION=node16
-          #export ACTIONS_RUNNER_FORCE_ACTIONS_NODE_VERSION=node16
-          #cd $RUNNER_HOME/actions-runner/externals
-          #mv node20 node20.bak
-          #ln -s node16 node20
       - uses: actions/checkout@v3
       - name: Setup node
         uses: actions/setup-node@v3