diff --git a/.travis.yml b/.travis.yml
index 43fc23613a0..545cb0b50d9 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -39,7 +39,8 @@ matrix:
     - env: DOCKER="arch" DOCKER_TAG="master" # contains PyQt5
     - env: DOCKER="ubuntu-16.04-xenial-amd64" DOCKER_TAG="master"
     - env: DOCKER="ubuntu-18.04-bionic-amd64" DOCKER_TAG="master"
-    - env: DOCKER="debian-stretch-x86" DOCKER_TAG="master"
+    - env: DOCKER="debian-9-stretch-x86" DOCKER_TAG="master"
+    - env: DOCKER="debian-10-buster-x86" DOCKER_TAG="master"
     - env: DOCKER="centos-6-amd64" DOCKER_TAG="master"
     - env: DOCKER="centos-7-amd64" DOCKER_TAG="master"
     - env: DOCKER="amazon-1-amd64" DOCKER_TAG="master"
diff --git a/azure-pipelines.yml b/azure-pipelines.yml
index 446b3f0b0cd..f26f2c03775 100644
--- a/azure-pipelines.yml
+++ b/azure-pipelines.yml
@@ -33,8 +33,13 @@ jobs:
 
 - template: .azure-pipelines/jobs/test-docker.yml
   parameters:
-    docker: 'debian-stretch-x86'
-    name:   'debian_stretch_x86'
+    docker: 'debian-9-stretch-x86'
+    name:   'debian_9_stretch_x86'
+
+- template: .azure-pipelines/jobs/test-docker.yml
+  parameters:
+    docker: 'debian-10-buster-x86'
+    name:   'debian_10_buster_x86'
 
 - template: .azure-pipelines/jobs/test-docker.yml
   parameters:
diff --git a/docs/installation.rst b/docs/installation.rst
index 2b9ef72a044..216af5b4a46 100644
--- a/docs/installation.rst
+++ b/docs/installation.rst
@@ -382,7 +382,7 @@ These platforms are built and tested for every change.
 +----------------------------------+-------------------------------+-----------------------+
 |**Operating system**              |**Tested Python versions**     |**Tested Architecture**|
 +----------------------------------+-------------------------------+-----------------------+
-| Alpine                           | 2.7, 3.6                      |x86-64                 |
+| Alpine                           | 2.7, 3.7                      |x86-64                 |
 +----------------------------------+-------------------------------+-----------------------+
 | Arch                             | 2.7, 3.7                      |x86-64                 |
 +----------------------------------+-------------------------------+-----------------------+
@@ -396,6 +396,8 @@ These platforms are built and tested for every change.
 +----------------------------------+-------------------------------+-----------------------+
 | Debian 9 Stretch                 | 2.7, 3.5                      |x86                    |
 +----------------------------------+-------------------------------+-----------------------+
+| Debian 10 Buster                 | 2.7, 3.7                      |x86                    |
++----------------------------------+-------------------------------+-----------------------+
 | Fedora 29                        | 2.7, 3.7                      |x86-64                 |
 +----------------------------------+-------------------------------+-----------------------+
 | Fedora 30                        | 2.7, 3.7                      |x86-64                 |