diff --git a/.github/workflows/docker_ubuntu.yml b/.github/workflows/docker_ubuntu.yml
index bef2319..e9c8c65 100644
--- a/.github/workflows/docker_ubuntu.yml
+++ b/.github/workflows/docker_ubuntu.yml
@@ -61,6 +61,7 @@ jobs:
         with:
           # relative path to the place where source code with Dockerfile is located
           context: .
+          file: Dockerfile.ubuntu
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}
           # build on feature branches, push only on main branch
@@ -68,4 +69,4 @@ jobs:
           platforms: linux/amd64, linux/arm64/v8, linux/arm/v7
 
       - name: Image digest
-        run: echo ${{ steps.docker_build.outputs.digest }}
\ No newline at end of file
+        run: echo ${{ steps.docker_build.outputs.digest }}