diff --git a/docs/installation.rst b/docs/installation.rst
index 0e7532845..13333e465 100644
--- a/docs/installation.rst
+++ b/docs/installation.rst
@@ -405,7 +405,7 @@ These platforms are built and tested for every change.
 +----------------------------------+-------------------------------+-----------------------+
 | Fedora 30                        | 2.7, 3.7                      |x86-64                 |
 +----------------------------------+-------------------------------+-----------------------+
-| macOS 10.13 High Sierra*         | 2.7, 3.5, 3.6, 3.7            |x86-64                 |
+| macOS 10.13 High Sierra*         | 2.7, 3.5, 3.6, 3.7, 3.8       |x86-64                 |
 +----------------------------------+-------------------------------+-----------------------+
 | Ubuntu Linux 16.04 LTS           | 2.7, 3.5, 3.6, 3.7, 3.8,      |x86-64                 |
 |                                  | PyPy, PyPy3                   |                       |