diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e53217d..93849a0 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -20,6 +20,7 @@ jobs:
         run: |
           set -e
           echo "$ALPINE_MIRROR" > /etc/apk/repositories
+          apk update
           apk add --no-cache git
 
           GIT_URL="https://${GITEA_TOKEN}@${GITHUB_SERVER_URL#https://}/${GITHUB_REPOSITORY}.git"