diff --git a/changes.md b/changes.md
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--- a/changes.md
+++ b/changes.md
@@ -1,3 +1,7 @@
+## 2.5.9 (2023-04-02)
+
+https://github.com/socketry/nio4r/compare/v2.5.8..v2.5.9
+
 ## 2.5.8 (2021-08-03)
 
 * [#276](https://github.com/socketry/nio4r/pull/276)