[#1483] added alpine 3.12 to platforms.rst

diff --git a/platforms.rst b/platforms.rst
index c9264c2d022a822074f4c97ca270a170a8b1a79d..7647f4092fe1314f0fd38877b3ba3c4241ec72c4 100644 (file)
--- a/platforms.rst
+++ b/platforms.rst
@@ -37,7 +37,7 @@ do so quickly due to lack of hardware, less familiarity on the part of
 engineering staff, and other constraints.
 
 * FreeBSD — 11.3, 12.0
-* Alpine Linux — 3.10, 3.11
+* Alpine Linux — 3.10, 3.11, 3.12
 * macOS — 10.13, 10.14
 
 Community maintained