diff --git a/.github/workflows/docker-publish.yml b/.github/workflows/docker-publish.yml
index f5431f0..2a2fe82 100644
--- a/.github/workflows/docker-publish.yml
+++ b/.github/workflows/docker-publish.yml
@@ -27,6 +27,11 @@ jobs:
         with:
           python-version: ${{ env.PYTHON_VERSION }}
 
+      - name: Install system dependencies
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y --no-install-recommends hmmer t-coffee
+
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
@@ -84,6 +89,8 @@ jobs:
         uses: docker/metadata-action@v6
         with:
           images: docker.io/${{ steps.vars.outputs.image_repository }}
+          flavor: |
+            latest=false
           tags: |
             type=sha,format=short,prefix=sha-
             type=ref,event=tag