diff --git a/CMakeLists.txt.in b/CMakeLists.txt.in
index 1440f5674..8d63b0092 100644
--- a/CMakeLists.txt.in
+++ b/CMakeLists.txt.in
@@ -48,7 +48,7 @@
 #     libgtk3.0-dev     (required by the cefclient target only)
 #
 # - MacOS requirements:
-#   Xcode 12.2 to 13.0 building on MacOS 10.15.4 (Catalina) or newer. Only
+#   Xcode 12.2 to 13.4 building on MacOS 10.15.4 (Catalina) or newer. Only
 #   64-bit builds are supported. The Xcode command-line tools must also be
 #   installed. Newer Xcode versions may not have been been tested and are not
 #   recommended.