diff --git a/.forgejo/workflows/build.yml b/.forgejo/workflows/build.yml
index 0e9dc8a..f5744e8 100644
--- a/.forgejo/workflows/build.yml
+++ b/.forgejo/workflows/build.yml
@@ -31,9 +31,17 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Install Docker CLI
+        # Debian bookworm's docker.io is too old (API 1.41) for the host daemon
+        # (needs >= 1.44), so install the current docker-ce-cli from Docker's repo.
         run: |
           apt-get update
-          apt-get install -y --no-install-recommends docker.io
+          apt-get install -y --no-install-recommends ca-certificates curl
+          install -m 0755 -d /etc/apt/keyrings
+          curl -fsSL https://download.docker.com/linux/debian/gpg -o /etc/apt/keyrings/docker.asc
+          chmod a+r /etc/apt/keyrings/docker.asc
+          echo "deb [arch=amd64 signed-by=/etc/apt/keyrings/docker.asc] https://download.docker.com/linux/debian bookworm stable" > /etc/apt/sources.list.d/docker.list
+          apt-get update
+          apt-get install -y --no-install-recommends docker-ce-cli
           docker version
 
       - name: Log in to Forgejo registry