diff --git a/History.markdown b/History.markdown
index 037e18f1..7a094fbc 100644
--- a/History.markdown
+++ b/History.markdown
@@ -1,3 +1,9 @@
+## HEAD
+
+### Development Fixes
+
+  * Add Ruby 3.3 to CI (#537)
+
 ## 0.23.0 / 2024-01-16
 
 ### Minor Enhancements