diff --git a/CHANGELOG.md b/CHANGELOG.md
index 34b83d81..0ccb61c0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,14 @@
 # Changelog
 
 
+# 3.9.11 - 2024-01-18
+
+### Changed
+
+- Improve performance of serializing. `str` is significantly faster. Documents
+using `dict`, `list`, and `tuple` are somewhat faster.
+
+
 ## 3.9.10 - 2023-10-26
 
 ### Fixed
diff --git a/Cargo.lock b/Cargo.lock
index a61bff64..60cce130 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -193,7 +193,7 @@ checksum = "3fdb12b2476b595f9358c5161aa467c2438859caa136dec86c26fdd2efe17b92"
 
 [[package]]
 name = "orjson"
-version = "3.9.10"
+version = "3.9.11"
 dependencies = [
  "ahash",
  "arrayvec",
diff --git a/Cargo.toml b/Cargo.toml
index 16259c1b..fd215398 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "orjson"
-version = "3.9.10"
+version = "3.9.11"
 authors = ["ijl <ijl@mailbox.org>"]
 description = "Fast, correct Python JSON library supporting dataclasses, datetimes, and numpy"
 edition = "2021"