diff --git a/.circleci/config.yml b/.circleci/config.yml
index 5162d2b08..b3c6ef898 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -2,7 +2,7 @@ version: 2
 jobs:
   build:
     docker:
-      - image: circleci/python:3.7.5
+      - image: circleci/python:3.8.5
     
     working_directory: ~/repo
     
diff --git a/.travis.yml b/.travis.yml
index 6fd27cb48..ee03f9f46 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,7 +2,7 @@ dist: bionic
 sudo: true
 language: python
 python:
-    - "3.7"
+    - "3.8"
 before_install:
   - sudo add-apt-repository -y ppa:ubuntu-toolchain-r/test
   - sudo apt-get update -qq
diff --git a/appveyor.yml b/appveyor.yml
index 3e41126b4..ea856a87b 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -8,8 +8,8 @@ environment:
 
   matrix:
 
-    - PYTHON: "C:\\Python37-x64"
-      PYTHON_VERSION: "3.7.x"
+    - PYTHON: "C:\\Python38-x64"
+      PYTHON_VERSION: "3.8.x"
       PYTHON_ARCH: "64"
 
 init:
diff --git a/azure-pipelines.yml b/azure-pipelines.yml
index c5074938d..c06096492 100644
--- a/azure-pipelines.yml
+++ b/azure-pipelines.yml
@@ -1,7 +1,7 @@
 jobs:
  - job: 'TestLinux'
    pool:
-     vmImage: 'ubuntu-latest'
+     vmImage: 'ubuntu-16.04'
    strategy:
      matrix:
        Python37-Linux:
@@ -58,7 +58,7 @@ jobs:
    strategy:
      matrix:
        Python37-Mac:
-         python.version: '3.7'
+         python.version: '3.8'
      maxParallel: 3
 
    steps: