diff --git a/CHANGELOG.md b/CHANGELOG.md
index d6352420..4fc24809 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,13 @@
 # Changelog
 
+## 3.9.4 - 2023-08-07
+
+### Fixed
+
+- Fix hash builder using default values.
+- Fix non-release builds of orjson copying large deserialization buffer
+from stack to heap. This was introduced in 3.9.3.
+
 ## 3.9.3 - 2023-08-06
 
 ### Fixed
diff --git a/Cargo.lock b/Cargo.lock
index ee711abe..6ed09049 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -171,7 +171,7 @@ checksum = "dd8b5dd2ae5ed71462c540258bedcb51965123ad7e7ccf4b9a8cafaa4a63576d"
 
 [[package]]
 name = "orjson"
-version = "3.9.3"
+version = "3.9.4"
 dependencies = [
  "ahash",
  "arrayvec",
diff --git a/Cargo.toml b/Cargo.toml
index 8cd36918..0af3a1de 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "orjson"
-version = "3.9.3"
+version = "3.9.4"
 authors = ["ijl <ijl@mailbox.org>"]
 description = "Fast, correct Python JSON library supporting dataclasses, datetimes, and numpy"
 edition = "2021"
diff --git a/README.md b/README.md
index 3c12007f..6ded116e 100644
--- a/README.md
+++ b/README.md
@@ -32,7 +32,7 @@ support for 64-bit
 * does not provide `load()` or `dump()` functions for reading from/writing to
 file-like objects
 
-orjson supports CPython 3.7, 3.8, 3.9, 3.10, and 3.11. It distributes
+orjson supports CPython 3.7, 3.8, 3.9, 3.10, 3.11, and 3.12. It distributes
 amd64/x86_64, aarch64/armv8, arm7, POWER/ppc64le, and s390x wheels for Linux,
 amd64 and aarch64 wheels for macOS, and amd64 and i686/x86 wheels for Windows.
 orjson  does not support PyPy. Releases follow semantic versioning and