diff --git a/.github/workflows/publish-assembled-jar.yml b/.github/workflows/publish-assembled-jar.yml
index 46538c7..6ec8d62 100644
--- a/.github/workflows/publish-assembled-jar.yml
+++ b/.github/workflows/publish-assembled-jar.yml
@@ -2,7 +2,7 @@ name: Build jar and publish it in a docker container
 on:
   push:
     branches:
-      - master
+      - main
 
 jobs:
   build:
diff --git a/.github/workflows/pull-request.yml b/.github/workflows/pull-request.yml
new file mode 100644
index 0000000..8f5382f
--- /dev/null
+++ b/.github/workflows/pull-request.yml
@@ -0,0 +1,17 @@
+name: Check sbt assembly on pull request
+on:
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@master
+        with:
+          submodules: recursive
+
+      - name: Build artifact
+        run: sbt assembly