diff --git a/CHANGELOG.md b/CHANGELOG.md
index e89e5b3..d24774d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+# Version 5.2.0
+
+- Make `StackSlot` `Sync`. (#121)
+
 # Version 5.1.0
 
 - Make `StackSlot` `Send`. (#119)
diff --git a/Cargo.toml b/Cargo.toml
index b0a7a24..185d6e0 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -3,7 +3,7 @@ name = "event-listener"
 # When publishing a new version:
 # - Update CHANGELOG.md
 # - Create "v5.x.y" git tag
-version = "5.1.0"
+version = "5.2.0"
 authors = ["Stjepan Glavina <stjepang@gmail.com>"]
 edition = "2021"
 rust-version = "1.60"