diff --git a/.github/workflows/gpu-bench-workflow-dispatch.yml b/.github/workflows/gpu-bench-workflow-dispatch.yml
index 5d87e7ad7b..238425bac0 100644
--- a/.github/workflows/gpu-bench-workflow-dispatch.yml
+++ b/.github/workflows/gpu-bench-workflow-dispatch.yml
@@ -11,7 +11,7 @@ concurrency:
 jobs:
   gpu-benchmark:
     name: Run local fibonacci bench
-    runs-on: [self-hosted, gpu-bench]
+    runs-on: [self-hosted, gpu-bench-test-l4-x4]
     steps:
       # Set up GPU
       # Check we have access to the machine's Nvidia drivers
diff --git a/benches/bench.env b/benches/bench.env
index b59c73e77a..51cd28d4c8 100644
--- a/benches/bench.env
+++ b/benches/bench.env
@@ -1,6 +1,6 @@
 # Lurk config
 LURK_PERF=max-parallel-simple
-LURK_RC=100,600
+LURK_RC=100,600,900,1000,1200
 LURK_BENCH_NOISE_THRESHOLD=0.05
 
 # CUDA config