diff --git a/.github/workflows/run-cri-containerd-tests-s390x.yaml b/.github/workflows/run-cri-containerd-tests-s390x.yaml
index cdd8832712..3321c93b03 100644
--- a/.github/workflows/run-cri-containerd-tests-s390x.yaml
+++ b/.github/workflows/run-cri-containerd-tests-s390x.yaml
@@ -23,7 +23,7 @@ jobs:
       matrix:
         containerd_version: ['active']
         vmm: ['qemu', 'qemu-runtime-rs']
-    runs-on: s390x
+    runs-on: s390x-large
     env:
       CONTAINERD_VERSION: ${{ matrix.containerd_version }}
       GOPATH: ${{ github.workspace }}
diff --git a/.github/workflows/run-k8s-tests-on-zvsi.yaml b/.github/workflows/run-k8s-tests-on-zvsi.yaml
index 2135f623ab..1441990a7b 100644
--- a/.github/workflows/run-k8s-tests-on-zvsi.yaml
+++ b/.github/workflows/run-k8s-tests-on-zvsi.yaml
@@ -33,7 +33,7 @@ jobs:
           - devmapper
         k8s:
           - k3s
-    runs-on: s390x
+    runs-on: s390x-large
     env:
       DOCKER_REGISTRY: ${{ inputs.registry }}
       DOCKER_REPO: ${{ inputs.repo }}