diff --git a/.github/workflows/robustness-template.yaml b/.github/workflows/robustness-template.yaml
index adb30fc538a3..6004767e100d 100644
--- a/.github/workflows/robustness-template.yaml
+++ b/.github/workflows/robustness-template.yaml
@@ -25,7 +25,7 @@ permissions: read-all
 jobs:
   test:
     timeout-minutes: 210
-    runs-on: ${{ fromJson(inputs.runs-on) }}
+    runs-on: ubuntu-latest-8-cores # ${{ fromJson(inputs.runs-on) }}
     container:
       image: golang:1.20-bullseye
       # Required for mounting fuse lazyfs
diff --git a/.github/workflows/robustness.yaml b/.github/workflows/robustness.yaml
index 80e55a9a3c3b..40210e21bad0 100644
--- a/.github/workflows/robustness.yaml
+++ b/.github/workflows/robustness.yaml
@@ -10,3 +10,5 @@ jobs:
       count: 12
       testTimeout: 30m
       artifactName: main
+      runs-on: "['ubuntu-latest-8-cores']"
+
diff --git a/tests/robustness/traffic/traffic.go b/tests/robustness/traffic/traffic.go
index 7aa51734f5a7..5e4a4b89d1a0 100644
--- a/tests/robustness/traffic/traffic.go
+++ b/tests/robustness/traffic/traffic.go
@@ -37,7 +37,7 @@ var (
 
 	LowTraffic = Profile{
 		Name:                           "LowTraffic",
-		MinimalQPS:                     80,
+		MinimalQPS:                     100,
 		MaximalQPS:                     200,
 		ClientCount:                    8,
 		MaxNonUniqueRequestConcurrency: 3,