diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 072c5293..e87b777e 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -18,7 +18,7 @@ jobs:
     container: alpine:edge
     runs-on: ubuntu-latest
     env:
-      INSPIRCD_BRANCHES: insp3 master
+      INSPIRCD_BRANCHES: insp3 insp4 master
       INSPIRCD_TAGS: v3 v4
     environment:
       name: github-pages
diff --git a/.github/workflows/check.yml b/.github/workflows/check.yml
index e84322d2..5b13ceb4 100644
--- a/.github/workflows/check.yml
+++ b/.github/workflows/check.yml
@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     if: github.ref != 'refs/heads/master'
     env:
-      INSPIRCD_BRANCHES: insp3 master
+      INSPIRCD_BRANCHES: insp3 insp4 master
       INSPIRCD_TAGS: v3 v4
     steps:
       - uses: actions/checkout@v4