diff --git a/.github/workflows/checksrc.yml b/.github/workflows/checksrc.yml
index a212983e..2631d41c 100644
--- a/.github/workflows/checksrc.yml
+++ b/.github/workflows/checksrc.yml
@@ -56,6 +56,7 @@ jobs:
 
       - name: 'install prereqs'
         run: |
+          /home/linuxbrew/.linuxbrew/bin/brew update
           /home/linuxbrew/.linuxbrew/bin/brew install shellcheck zizmor
           python3 -m venv ~/venv
           ~/venv/bin/pip --disable-pip-version-check --no-input --no-cache-dir install --progress-bar off --prefer-binary \