diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1d7f19f445..8eb158df1f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,16 @@
 # Refinery Changelog
 
+## 2.5.2 2024-05-22
+
+This release fixes a race condition in OTel Metrics that caused Refinery to crash.
+This update is recommended for everyone who has OTelMetrics enabled.
+
+### Fixes
+
+- fix: correct race condition in OTel metrics (#1165) | [Kent Quirk](https://github.com/kentquirk)
+
+Thanks to [Joshua Jones](https://github.com/senojj) for the [bug report](https://github.com/honeycombio/refinery/issues/1156) and diagnosis.
+
 ## 2.5.1 2024-05-15
 
 ### Fixes
diff --git a/RELEASE_NOTES.md b/RELEASE_NOTES.md
index a2e2a5825c..d47455a262 100644
--- a/RELEASE_NOTES.md
+++ b/RELEASE_NOTES.md
@@ -2,6 +2,11 @@
 
 While [CHANGELOG.md](./CHANGELOG.md) contains detailed documentation and links to all the source code changes in a given release, this document is intended to be aimed at a more comprehensible version of the contents of the release from the point of view of users of Refinery.
 
+## Version 2.5.2
+
+This release fixes a race condition in OTel Metrics that caused Refinery to crash.
+This update is recommended for everyone who has OTelMetrics enabled.
+
 ## Version 2.5.1
 
 This is a bug fix release for a concurrent map read panic when loading items from the internal cache.