diff --git a/History.md b/History.md
index 11400d5..600dad2 100755
--- a/History.md
+++ b/History.md
@@ -3,6 +3,7 @@
 * Migrate from opengl-bindings to opengl-bindings2. #74
 * Update to libz-1.3.1, libpng-1.6.42, libjpeg-turbo-3.0.2, libtiff-4.6.0 for Windows binary gems.
 * Add binary gem support for ruby-3.3 on Windows.
+* Drop support for ruby-2.5
 
 ## 1.6.46 / 2023-02-19