diff --git a/.github/workflows/ci-vert.x-4.x.yml b/.github/workflows/ci-vert.x-4.x.yml
new file mode 100644
index 0000000..7738103
--- /dev/null
+++ b/.github/workflows/ci-vert.x-4.x.yml
@@ -0,0 +1,24 @@
+name: vert.x (4.x)
+
+on:
+  push:
+    branches:
+      - vert.x-4.x
+
+jobs:
+  ci:
+    name: Any (supported)
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ ubuntu-latest ]
+        java: [ 11 ]
+    runs-on: ${{ matrix.os }}
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-java@v3
+        with:
+          java-version: ${{ matrix.java }}
+          distribution: temurin
+      - name: Build project
+        run: ./gradlew clean build
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci-vert.x-5.x.yml
similarity index 93%
rename from .github/workflows/ci.yml
rename to .github/workflows/ci-vert.x-5.x.yml
index 391b8f6..6aa3673 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci-vert.x-5.x.yml
@@ -1,10 +1,9 @@
-name: CI
+name: vert.x (5.x)
 
 on:
   push:
     branches:
       - master
-      - feature/vertx5
 
 jobs:
   ci: