diff --git a/.travis.yml b/.travis.yml
index acccff6..9ef3739 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -31,23 +31,29 @@ matrix:
     - os: linux
       env:
         - MB_PYTHON_VERSION=3.6
+        - MB_ML_VER=2010
     - os: linux
       env:
         - MB_PYTHON_VERSION=3.6
+        - MB_ML_VER=2010
         - PLAT=i686
     - os: linux
       env:
         - MB_PYTHON_VERSION=3.7
+        - MB_ML_VER=2010
     - os: linux
       env:
         - MB_PYTHON_VERSION=3.7
+        - MB_ML_VER=2010
         - PLAT=i686
     - os: linux
       env:
         - MB_PYTHON_VERSION=3.8
+        - MB_ML_VER=2010
     - os: linux
       env:
         - MB_PYTHON_VERSION=3.8
+        - MB_ML_VER=2010
         - PLAT=i686
     - os: osx
       language: generic