diff --git a/History.markdown b/History.markdown
index 38218f8..85ad0e2 100644
--- a/History.markdown
+++ b/History.markdown
@@ -4,6 +4,10 @@
 
   * Use gems config key for Jekyll < 3.5.0 (#255)
 
+### Development Fixes
+
+  * Test against Ruby 2.5 (#260)
+
 ## 2.4.0 / 2017-12-04
 
 ### Minor