diff --git a/.github/workflows/test.yaml b/.github/workflows/test.yaml
index 2e0d136b..e296b303 100644
--- a/.github/workflows/test.yaml
+++ b/.github/workflows/test.yaml
@@ -5,5 +5,8 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
+      - name: Build the image
+        run: docker build -t my-image ./src/tests
+    steps:
       - name: Build the stack
         run: docker-compose --project-directory ./ -f src/tests/docker-compose.yml up -d
\ No newline at end of file
diff --git a/src/tests/docker-compose.yml b/src/tests/docker-compose.yml
index cedbba01..d02fb31b 100644
--- a/src/tests/docker-compose.yml
+++ b/src/tests/docker-compose.yml
@@ -107,9 +107,7 @@ services:
       - '10004:10009'
       - '9738:9735'
   lpub:
-    image: lpub
-    build:
-      context: ./src/tests
+    image: my-image
     depends_on:
       - backend1
       - alice