diff --git a/README b/README
index b5bbfe6797..b0080cabb6 100644
--- a/README
+++ b/README
@@ -136,7 +136,7 @@ including RHEL/CentOS, Fedora, Debian, Ubuntu, SLES, openSUSE, Slackware,
 Alpine, FreeBSD, NetBSD, OpenBSD, macOS, Solaris, OpenIndiana, OmniOS CE,
 HP-UX, and OpenWRT.
 
-BIND is also available for Windows Server 2008 and higher. See win32utils/
+BIND is also available for Windows Server 2012 R2 and higher. See win32utils/
 build.txt for details on building for Windows systems.
 
 To build on a UNIX or Linux system, use:
diff --git a/README.md b/README.md
index 3c72e03343..ad493fd69a 100644
--- a/README.md
+++ b/README.md
@@ -153,7 +153,7 @@ UNIX, including RHEL/CentOS, Fedora, Debian, Ubuntu, SLES, openSUSE,
 Slackware, Alpine, FreeBSD, NetBSD, OpenBSD, macOS, Solaris,
 OpenIndiana, OmniOS CE, HP-UX, and OpenWRT.
 
-BIND is also available for Windows Server 2008 and higher.  See
+BIND is also available for Windows Server 2012 R2 and higher.  See
 `win32utils/build.txt` for details on building for Windows
 systems.