diff --git a/CHANGES.current b/CHANGES.current
index 54e86f7c9..3d68b9d89 100644
--- a/CHANGES.current
+++ b/CHANGES.current
@@ -7,6 +7,10 @@ the issue number to the end of the URL: https://github.com/swig/swig/issues/
 Version 4.0.2 (in progress)
 ===========================
 
+2020-01-05: friedrichatgc
+            [Octave] #1688 Change swig_this() to use size_t instead of long for compatibility
+            with Windows 64 bit.
+
 2020-01-05: treitmayr
             [Ruby] #1692 #1689 Add support for Ruby 2.7