diff --git a/.appveyor.yml b/.appveyor.yml
index 035fa86..17e0af6 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -26,25 +26,25 @@ environment:
       DAILY_COMMIT: master
 
   matrix:
-    - PYTHON: C:\Python37
-      PYTHON_VERSION: 3.7
-      PYTHON_ARCH: 32
+    #- PYTHON: C:\Python37
+      #PYTHON_VERSION: 3.7
+      #PYTHON_ARCH: 32
 
-    - PYTHON: C:\Python37-x64
-      PYTHON_VERSION: 3.7
-      PYTHON_ARCH: 64
+    #- PYTHON: C:\Python37-x64
+      #PYTHON_VERSION: 3.7
+      #PYTHON_ARCH: 64
 
-    - PYTHON: C:\Python36
-      PYTHON_VERSION: 3.6
-      PYTHON_ARCH: 32
+    #- PYTHON: C:\Python36
+      #PYTHON_VERSION: 3.6
+      #PYTHON_ARCH: 32
 
-    - PYTHON: C:\Python36-x64
-      PYTHON_VERSION: 3.6
-      PYTHON_ARCH: 64
+    #- PYTHON: C:\Python36-x64
+      #PYTHON_VERSION: 3.6
+      #PYTHON_ARCH: 64
 
-    - PYTHON: C:\Python35
-      PYTHON_VERSION: 3.5
-      PYTHON_ARCH: 32
+    #- PYTHON: C:\Python35
+      #PYTHON_VERSION: 3.5
+      #PYTHON_ARCH: 32
 
     - PYTHON: C:\Python35-x64
       PYTHON_VERSION: 3.5
diff --git a/.travis.yml b/.travis.yml
index 08e95ca..803bc79 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -32,30 +32,39 @@ matrix:
       # Exclude the default Python 3.5 build
       - python: 3.5
   include:
+    #- os: linux
+      #env:
+        #- MB_PYTHON_VERSION=3.6
+    #- os: linux
+      #env:
+        #- MB_PYTHON_VERSION=3.6
+        #- PLAT=i686
+    #- os: linux
+      #env:
+        #- MB_PYTHON_VERSION=3.7
+    #- os: linux
+      #env:
+        #- MB_PYTHON_VERSION=3.7
+        #- PLAT=i686
     - os: linux
       env:
-        - MB_PYTHON_VERSION=3.6
+        - MB_PYTHON_VERSION=3.8
+        - MB_ML_VER=1
     - os: linux
       env:
-        - MB_PYTHON_VERSION=3.6
+        - MB_PYTHON_VERSION=3.8
+        - MB_ML_VER=1
         - PLAT=i686
-    - os: linux
-      env:
-        - MB_PYTHON_VERSION=3.7
-    - os: linux
-      env:
-        - MB_PYTHON_VERSION=3.7
-        - PLAT=i686
-    - os: osx
-      language: generic
-      env:
-        - MB_PYTHON_VERSION=3.6
-        - MB_PYTHON_OSX_VER=10.9
-    - os: osx
-      language: generic
-      env:
-        - MB_PYTHON_VERSION=3.7
-        - MB_PYTHON_OSX_VER=10.9
+    #- os: osx
+      #language: generic
+      #env:
+        #- MB_PYTHON_VERSION=3.6
+        #- MB_PYTHON_OSX_VER=10.9
+    #- os: osx
+      #language: generic
+      #env:
+        #- MB_PYTHON_VERSION=3.7
+        #- MB_PYTHON_OSX_VER=10.9
 
 before_install:
     - if [ "$TRAVIS_BRANCH" == "master" ]; then
diff --git a/multibuild b/multibuild
index ed1cfaf..f0bff09 160000
--- a/multibuild
+++ b/multibuild
@@ -1 +1 @@
-Subproject commit ed1cfaf365ed51bd309a80e60736915d3ec70d31
+Subproject commit f0bff09b0c03ed5325cbcbef135b16b2b9162d53