diff --git a/CHANGELOG.md b/CHANGELOG.md
index ca8ec3b5..00dc0081 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,12 @@
+## 0.12.0
+
+* Reintroduce WebSocket support [#190](https://github.com/jordaneremieff/mangum/pull/190). Thanks [eduardovra](https://github.com/eduardovra)!
+
+* Resolve several issues with ALB/ELB support [#184](https://github.com/jordaneremieff/mangum/pull/184), [#189](https://github.com/jordaneremieff/mangum/pull/189), [#186](https://github.com/jordaneremieff/mangum/pull/186), [#182](https://github.com/jordaneremieff/mangum/pull/182). Thanks [nathanglover](https://github.com/nathanglover) & [jurasofish](https://github.com/jurasofish)!
+
+* Refactor handlers to be separate from core logic [#170](https://github.com/jordaneremieff/mangum/pull/170). Thanks [four43](https://github.com/four43)!
+
+
 ## 0.11.0
 
 * Remove deprecated `enable_lifespan` parameter [#109](https://github.com/jordaneremieff/mangum/issues/109).
diff --git a/setup.py b/setup.py
index 2a780ce7..36d517ca 100644
--- a/setup.py
+++ b/setup.py
@@ -7,7 +7,7 @@ def get_long_description():
 
 setup(
     name="mangum",
-    version="0.11.0",
+    version="0.12.0",
     packages=find_packages(),
     license="MIT",
     url="https://github.com/jordaneremieff/mangum",