diff --git a/RELEASING.md b/RELEASING.md
index 4387c5ddd3..1d6ee0e0c4 100644
--- a/RELEASING.md
+++ b/RELEASING.md
@@ -6,7 +6,7 @@ Build Environments
 We deploy GRPC to Maven Central under the following systems:
 - Ubuntu 14.04 with Docker 13.03.0 that runs CentOS 6.9
 - Windows 7 64-bit with Visual Studio
-- Mac OS X 10.12.6
+- Mac OS X 10.14.6
 
 Other systems may also work, but we haven't verified them.