diff --git a/.github/workflows/endurance.yml b/.github/workflows/endurance.yml
index 5d88aa968..368ef9515 100644
--- a/.github/workflows/endurance.yml
+++ b/.github/workflows/endurance.yml
@@ -18,5 +18,5 @@ jobs:
     - name: test-multithread (5X)
       run: |
         sudo apt-get install -y tcl8.5
-        ./runtest --loopn 3 --config server-threads 3 --clients 5
+        ./runtest --loopn 4 --config server-threads 3 --clients 5