diff --git a/.github/workflows/os-zoo.yml b/.github/workflows/os-zoo.yml
index f517cbd6d35f6..f6a29d8e50e01 100644
--- a/.github/workflows/os-zoo.yml
+++ b/.github/workflows/os-zoo.yml
@@ -191,6 +191,23 @@ jobs:
     - name: make test
       run: make test HARNESS_JOBS=${HARNESS_JOBS:-4}
 
+  linux-s390x:
+    runs-on: linux-s390x
+    steps:
+    - uses: actions/checkout@v4
+    - name: config
+      run: ./config enable-fips enable-md2 enable-rc5 enable-ssl3 enable-ssl3-method enable-trace
+    - name: config dump
+      run: ./configdata.pm --dump
+    - name: make
+      run: make -j4
+    - name: get cpu info
+      run: |
+        cat /proc/cpuinfo
+        ./util/opensslwrap.sh version -c
+    - name: make test
+      run: make test HARNESS_JOBS=${HARNESS_JOBS:-4}
+
   freebsd-x86_64:
     runs-on: ubuntu-latest
     steps: