diff --git a/CHANGELOG.md b/CHANGELOG.md
index f642e2c..1fe2835 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [1.4.0](https://github.com/judoscale/judoscale-python/compare/v1.3.0...v1.4.0) (2023-04-19)
+
+
+### Features
+
+* Generic asgi request queue time middleware ([#57](https://github.com/judoscale/judoscale-python/issues/57)) ([5660ca6](https://github.com/judoscale/judoscale-python/commit/5660ca6a1fd7f65b317a48195380220a07cd4686))
+
 ## [1.3.0](https://github.com/judoscale/judoscale-python/compare/v1.2.2...v1.3.0) (2023-04-10)
 
 
diff --git a/pyproject.toml b/pyproject.toml
index ebc4529..65dcec0 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "judoscale"
-version = "1.3.0"
+version = "1.4.0"
 description = "Official Python adapter for Judoscale — the advanced autoscaler for Heroku"
 authors = [
     "Adam McCrea <adam@adamlogic.com>",