diff --git a/.github/workflows/test-stable.yml b/.github/workflows/test-stable.yml
index 07b44e66..04e40112 100644
--- a/.github/workflows/test-stable.yml
+++ b/.github/workflows/test-stable.yml
@@ -189,7 +189,7 @@ jobs:
       uses: actions/checkout@v3
       with:
         path: inspircd
-        ref: v3.17.0
+        ref: v4.0.0rc1
         repository: inspircd/inspircd
     - name: Build InspIRCd
       run: |
diff --git a/workflows.yml b/workflows.yml
index 01cf465e..31170f78 100644
--- a/workflows.yml
+++ b/workflows.yml
@@ -148,7 +148,7 @@ software:
         name: InspIRCd
         repository: inspircd/inspircd
         refs: &inspircd_refs
-            stable: v3.17.0
+            stable: v4.0.0-rc1
             release: null
             devel: master
             devel_release: insp3