diff --git a/.gitea/workflows/release_docker.yaml b/.gitea/workflows/release_docker.yaml
index 552aa06..27cc66d 100644
--- a/.gitea/workflows/release_docker.yaml
+++ b/.gitea/workflows/release_docker.yaml
@@ -72,6 +72,9 @@ jobs:
         ref: 'master'
         github-server-url: 'ssh://git.nanobyte.cz'
         ssh-known-hosts: 'git.nanobyte.cz ssh-rsa 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'
+    - name: Get short hash from git repository
+      id: git
+      run: echo "::set-output name=short_hash::$(git rev-parse --short HEAD)"
     - name: configure git
       run: git config --global user.email "gitea-bot@nanobyte.cz" && git config --global user.name "Gitea Bot"
     - name: Update images