diff --git a/CHANGES.rst b/CHANGES.rst
index 089c0708..21925df0 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -25,6 +25,11 @@ Changes in this release include the following:
 * Added missing setters for the wheel-related properties in wx.MouseEvent. 
   (#1140)
 
+* Updated wxWidgets commit reference, bringing fixes for #1140, #1086 and 
+  #1147.
+
+  
+
 
 
 4.0.4 "What? It's 2019 already?"
diff --git a/demo/version.py b/demo/version.py
index e4be16c9..dee0ebf0 100644
--- a/demo/version.py
+++ b/demo/version.py
@@ -1,3 +1,3 @@
 # This file was generated by wxPython's wscript.
 
-VERSION_STRING = '4.0.4'
+VERSION_STRING = '4.0.5a1'
diff --git a/ext/wxWidgets b/ext/wxWidgets
index 53103dd8..65380564 160000
--- a/ext/wxWidgets
+++ b/ext/wxWidgets
@@ -1 +1 @@
-Subproject commit 53103dd86ff2ce652a04a64b92827b94fd7120fa
+Subproject commit 653805644da62463f7cbdb4e34c26e931fa17796