diff --git a/.github/workflows/main-ci.yml b/.github/workflows/main-ci.yml
index 691d1a4..7a0730d 100644
--- a/.github/workflows/main-ci.yml
+++ b/.github/workflows/main-ci.yml
@@ -16,7 +16,7 @@ jobs:
         with:
           repository: eclipse-zenoh/zenoh
           path: zenoh
-          ref: '1.0.0-alpha.4'
+          ref: '1.0.0-alpha.5'
       - name: test Zenoh
         run: |
           set -x