diff --git a/.gitea/workflows/build.yaml b/.gitea/workflows/build.yaml
index f1c20475..45a9092d 100644
--- a/.gitea/workflows/build.yaml
+++ b/.gitea/workflows/build.yaml
@@ -11,7 +11,7 @@ jobs:
       volumes:
         - /opt/keys:/opt/keys
     steps:
-      - run: apt update && apt install -y doxygen git graphviz mingw-w64 libgpgme11 gcc-aarch64-linux-gnu zip unzip build-essential
+      - run: apt update && apt install -y doxygen git graphviz mingw-w64 libgpgme11 gcc-aarch64-linux-gnu zip unzip build-essential docker.io
       - name: check out code
         uses: actions/checkout@v4
         with: