diff --git a/.travis.yml b/.travis.yml
index 60b6c1a..57c01fd 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -10,14 +10,16 @@ matrix:
         - env: ITEST_TARGET=itest_tox
         - os: linux-ppc64le
           env: ITEST_TARGET=itest_buster
-        - os: linux
-          arch: arm64
+        - arch: arm64
+          env: ITEST_TARGET=itest_buster
+        - arch: s390x
           env: ITEST_TARGET=itest_buster
     allow_failures:
         - os: linux-ppc64le
           env: ITEST_TARGET=itest_buster
-        - os: linux
-          arch: arm64
+        - arch: arm64
+          env: ITEST_TARGET=itest_buster
+        - arch: s390x
           env: ITEST_TARGET=itest_buster