diff --git a/.travis.yml b/.travis.yml
index 56a1993bf..f96dce308 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -283,7 +283,118 @@ matrix:
 
     # python 3 osx
     
-    # - name: "klayout python3 osx10.13"
+    # MacOS 10.15, Python 3.9
+    - name: "cp39-cp39m-macosx_10_15_x86_64.whl"
+      os: osx
+      osx_image: xcode12  # macOS 10.15
+      cache:
+        directories:
+        - ccache
+      addons:
+        homebrew:
+          packages:
+            - python@3.9
+            - ccache
+          update: true
+      env:
+        - MATRIX_EVAL="shopt -s expand_aliases; alias python='python3'; alias pip='pip3';"
+        - ARCHFLAGS="-std=c++11"
+        - PIP_UPDATE="1"
+        - PYTHON_BUILD=true
+
+    # MacOS 10.15, Python 3.8
+    - name: "cp38-cp38m-macosx_10_15_x86_64.whl"
+      os: osx
+      osx_image: xcode12  # macOS 10.15
+      cache:
+        directories:
+        - ccache
+      addons:
+        homebrew:
+          packages:
+            - python@3.8
+            - ccache
+          update: true
+      env:
+        - MATRIX_EVAL="shopt -s expand_aliases; alias python='python3'; alias pip='pip3';"
+        - ARCHFLAGS="-std=c++11"
+        - PIP_UPDATE="1"
+        - PYTHON_BUILD=true
+
+    # MacOS 10.15, Python 3.7
+    - name: "cp37-cp37m-macosx_10_15_x86_64.whl"
+      os: osx
+      osx_image: xcode12  # macOS 10.15
+      cache:
+        directories:
+        - ccache
+      addons:
+        homebrew:
+          packages:
+            - python@3.7
+            - ccache
+          update: true
+      env:
+        - MATRIX_EVAL="shopt -s expand_aliases; alias python='python3'; alias pip='pip3';"
+        - ARCHFLAGS="-std=c++11"
+        - PIP_UPDATE="1"
+        - PYTHON_BUILD=true
+
+    # MacOS 10.14, Python 3.9
+    - name: "cp39-cp39m-macosx_10_14_x86_64.whl"
+      os: osx
+      osx_image: xcode11  # macOS 10.14
+      cache:
+        directories:
+        - ccache
+      addons:
+        homebrew:
+          packages:
+            - python@3.9
+            - ccache
+          update: true
+      env:
+        - ARCHFLAGS="-std=c++11"
+        - PIP_UPDATE="1"
+        - PYTHON_BUILD=true
+
+    # MacOS 10.14, Python 3.8
+    - name: "cp38-cp38m-macosx_10_14_x86_64.whl"
+      os: osx
+      osx_image: xcode11  # macOS 10.14
+      cache:
+        directories:
+        - ccache
+      addons:
+        homebrew:
+          packages:
+            - python@3.8
+            - ccache
+          update: true
+      env:
+        - ARCHFLAGS="-std=c++11"
+        - PIP_UPDATE="1"
+        - PYTHON_BUILD=true
+
+    # MacOS 10.14, Python 3.7
+    - name: "cp37-cp37m-macosx_10_14_x86_64.whl"
+      os: osx
+      osx_image: xcode11  # macOS 10.14
+      cache:
+        directories:
+        - ccache
+      addons:
+        homebrew:
+          packages:
+            - python@3.7
+            - ccache
+          update: true
+      env:
+        - ARCHFLAGS="-std=c++11"
+        - PIP_UPDATE="1"
+        - PYTHON_BUILD=true
+
+    # MacOS 10.13, Python 3.7
     - name: "cp37-cp37m-macosx_10_13_x86_64.whl"
       os: osx
       osx_image: xcode9.4  # macOS 10.13
@@ -302,7 +413,7 @@ matrix:
         - PIP_UPDATE="1"
         - PYTHON_BUILD=true
 
-    # - name: "klayout python3.6.6 osx10.13"
+    # MacOS 10.13, Python 3.6
     - name: "cp36-cp36m-macosx_10_13_x86_64.whl"
       os: osx
       osx_image: xcode9.4  # macOS 10.13
@@ -320,7 +431,7 @@ matrix:
         - PIP_UPDATE="1"
         - PYTHON_BUILD=true
 
-    # - name: "klayout python3.5.6 osx10.13"
+    # MacOS 10.13, Python 3.5
     - name: "cp35-cp35m-macosx_10_13_x86_64.whl"
       os: osx
       osx_image: xcode9.4  # macOS 10.13
@@ -375,6 +486,8 @@ matrix:
         - PIP_UPDATE="1"
         - PYTHON_BUILD=true
 
+  # KLayout builds not enabled for now
+  exclude:
     # KLayout builds for mac
     # Python 3
     - name: "KLayout macOS 10.13 with py3.7"