diff --git a/.travis.yml b/.travis.yml
index 57a857a..4d2113b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -45,6 +45,23 @@ jobs:
         - MB_PYTHON_VERSION=3.9
         - DEBUG_PRINT=1
         - DOCKER_TEST_IMAGE=multibuild/xenial_{PLAT}
+    - os: linux
+      arch: s390x
+      env:
+        - PLAT=s390x
+        - MB_ML_VER=_2_24
+        - MB_PYTHON_VERSION=3.9
+        - DEBUG_PRINT=1
+        - DOCKER_TEST_IMAGE=multibuild/xenial_{PLAT}
+    - os: linux
+      arch: ppc64le
+      env:
+        - PLAT=ppc64le
+        - MB_ML_VER=_2_24
+        - MB_PYTHON_VERSION=3.9
+        - DEBUG_PRINT=1
+        - DOCKER_TEST_IMAGE=multibuild/xenial_{PLAT}
+
 
 before_install:
     - if [ "$TRAVIS_EVENT_TYPE" == "cron" ]; then
diff --git a/azure-pipelines.yml b/azure-pipelines.yml
index 0af495c..0a895ec 100644
--- a/azure-pipelines.yml
+++ b/azure-pipelines.yml
@@ -83,25 +83,17 @@ jobs:
           MB_ML_VER: "2010"
           DOCKER_TEST_IMAGE: "multibuild/xenial_{PLAT}"
 
-        # manylinux1 wheels
-        py_3.7_32manylinux1:
+        # manylinux_2_24 wheels: sanity check. No real need for this on x86
+        py_3.7_32manylinux_2_24:
           MB_PYTHON_VERSION: "3.7"
           PLAT: "i686"
-          MB_ML_VER: "1"
+          MB_ML_VER: "_2_24"
           ENV_VARS_PATH: "env_vars_32.sh"
           DOCKER_TEST_IMAGE: "multibuild/xenial_{PLAT}"
-        py_3.7_64manylinux1:
+        py_3.7_64manylinux_2_24:
           MB_PYTHON_VERSION: "3.7"
-          MB_ML_VER: "1"
-        py_3.8_32manylinux1:
-          MB_PYTHON_VERSION: "3.8"
-          PLAT: "i686"
-          MB_ML_VER: "1"
-          ENV_VARS_PATH: "env_vars_32.sh"
+          MB_ML_VER: "_2_24"
           DOCKER_TEST_IMAGE: "multibuild/xenial_{PLAT}"
-        py_3.8_64manylinux1:
-          MB_PYTHON_VERSION: "3.8"
-          MB_ML_VER: "1"
 
   - template: azure/posix.yml
     parameters: