diff --git a/Cargo.lock b/Cargo.lock
index 1c1b6f1..28945e0 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2254,7 +2254,7 @@ dependencies = [
 
 [[package]]
 name = "python_tool"
-version = "0.11.0"
+version = "0.12.0"
 dependencies = [
  "extism-pdk",
  "proto_pdk",
diff --git a/tools/python/CHANGELOG.md b/tools/python/CHANGELOG.md
index cadd437..941e9f6 100644
--- a/tools/python/CHANGELOG.md
+++ b/tools/python/CHANGELOG.md
@@ -1,6 +1,6 @@
 # Changelog
 
-## Unreleased
+## 0.12.0
 
 #### 💥 Breaking
 
diff --git a/tools/python/Cargo.toml b/tools/python/Cargo.toml
index 4597032..f9bfd71 100644
--- a/tools/python/Cargo.toml
+++ b/tools/python/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "python_tool"
-version = "0.11.0"
+version = "0.12.0"
 edition = "2021"
 license = "MIT"
 publish = false