diff --git a/Cargo.lock b/Cargo.lock
index a09ad24ca7..ec9431b699 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -3460,7 +3460,7 @@ dependencies = [
 
 [[package]]
 name = "relay-cabi"
-version = "0.8.38"
+version = "0.8.39"
 dependencies = [
  "anyhow",
  "chrono",
diff --git a/py/CHANGELOG.md b/py/CHANGELOG.md
index 88a2d30684..6e601445fe 100644
--- a/py/CHANGELOG.md
+++ b/py/CHANGELOG.md
@@ -1,6 +1,6 @@
 # Changelog
 
-## Unreleased
+## 0.8.39
 
 - Add `_metrics_summary` as temporary key on `Event` for a DDM experiment. ([#2757](https://github.com/getsentry/relay/pull/2757))
 - Add metric_bucket data category. ([#2824](https://github.com/getsentry/relay/pull/2824))
diff --git a/relay-cabi/Cargo.toml b/relay-cabi/Cargo.toml
index 1eced9618e..dd1ac5487f 100644
--- a/relay-cabi/Cargo.toml
+++ b/relay-cabi/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "relay-cabi"
-version = "0.8.38"
+version = "0.8.39"
 authors = ["Sentry <oss@sentry.io>"]
 homepage = "https://getsentry.github.io/relay/"
 repository = "https://github.com/getsentry/relay"