diff --git a/RELEASENOTES.md b/RELEASENOTES.md
index 4776433..9c3b0a5 100644
--- a/RELEASENOTES.md
+++ b/RELEASENOTES.md
@@ -1,3 +1,9 @@
+## 0.23.0
+
+* update version numbers to use unsigned long
+* fix import.h accidentally including include-private.h
+
+
 ### 0.22.1
 
 * Various small improvements