diff --git a/docs/installation.rst b/docs/installation.rst
index ca3ae61ab..f2e969035 100644
--- a/docs/installation.rst
+++ b/docs/installation.rst
@@ -376,13 +376,13 @@ These platforms are built and tested for every change.
 +----------------------------------+--------------------------+-----------------------+
 |**Operating system**              |**Tested Python versions**|**Tested architecture**|
 +----------------------------------+--------------------------+-----------------------+
-| Alpine                           | 3.7                      |x86-64                 |
+| Alpine                           | 3.8                      |x86-64                 |
 +----------------------------------+--------------------------+-----------------------+
-| Arch                             | 3.7                      |x86-64                 |
+| Arch                             | 3.8                      |x86-64                 |
 +----------------------------------+--------------------------+-----------------------+
 | Amazon Linux 1                   | 3.6                      |x86-64                 |
 +----------------------------------+--------------------------+-----------------------+
-| Amazon Linux 2                   | 3.6                      |x86-64                 |
+| Amazon Linux 2                   | 3.7                      |x86-64                 |
 +----------------------------------+--------------------------+-----------------------+
 | CentOS 6                         | 3.6                      |x86-64                 |
 +----------------------------------+--------------------------+-----------------------+