diff --git a/CMakeLists.txt b/CMakeLists.txt
index a067b00356..84befc43da 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -20,7 +20,7 @@ endif()
 if(APPLE AND NOT CMAKE_OSX_DEPLOYMENT_TARGET)
     # If no deployment target has been set default to the minimum supported
     # OS X version (this has to be set before the first project() call)
-    set(CMAKE_OSX_DEPLOYMENT_TARGET 10.7 CACHE STRING "OS X Deployment Target")
+    set(CMAKE_OSX_DEPLOYMENT_TARGET 10.9 CACHE STRING "OS X Deployment Target")
 endif()
 
 project(wxWidgets)
diff --git a/docs/changes.txt b/docs/changes.txt
index 9cb54f6b15..4a41c873e9 100644
--- a/docs/changes.txt
+++ b/docs/changes.txt
@@ -108,8 +108,9 @@ Changes in behaviour which may result in build errors
   wxArrayString. Please update your code to use the appropriate setter
   Set[Char]{In,Ex}cludes(), instead of mutating the internal data directly.
 
-- Under macOS, configure builds use 10.9 SDK by default now. 10.7 SDK is still
-  supported, but must be explicitly selected.
+- Under macOS, 10.9 SDK is used by default now. 10.7 SDK is still supported,
+  but must be explicitly selected (and libstdc++ must be installed in order
+  to use it).
 
 
 3.1.3: (released 2019-??-??)