diff --git a/CHANGELOG.md b/CHANGELOG.md
index 339aac8..d9b0638 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -17,6 +17,10 @@ Using the following categories, list your changes in this order:
 -   Any errors from threads in the `servestatic.compress` command are now raised.
 -   Compression code has been refactored to match upstream (WhiteNoise).
 
+### Fixed
+
+-   Add `asgiref` to dependencies to fix import error.
+
 ## [2.1.1] - 2024-10-27
 
 ### Fixed
diff --git a/pyproject.toml b/pyproject.toml
index de55371..1c309f7 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -26,6 +26,7 @@ classifiers = [
   "Topic :: Internet :: WWW/HTTP",
   "Topic :: Internet :: WWW/HTTP :: WSGI :: Middleware",
 ]
+dependencies = ["asgiref"]
 dynamic = ["version"]
 optional-dependencies.brotli = ["brotli"]
 urls.Changelog = "https://archmonger.github.io/ServeStatic/latest/changelog/"