diff --git a/CHANGELOG.txt b/CHANGELOG.txt
index af0dc4b..17c8485 100644
--- a/CHANGELOG.txt
+++ b/CHANGELOG.txt
@@ -1,3 +1,20 @@
+2.4.0 (2019-11-20)
+------------------
+
+* Adds CI testing against and support for Python 3.8.
+
+* Adds support for ``raw_path`` in ASGI scope.
+
+* Ensures an error response is sent to the client if the application sends
+  malformed headers.
+
+* Resolves an asyncio + multiprocessing problem when testing that would cause
+  the test suite to fail/hang on macOS.
+
+* Requires installing Twisted's TLS extras, via ``install_requires``.
+
+* Adds missing LICENSE to distribution.
+
 2.3.0 (2019-04-09)
 ------------------
 
diff --git a/daphne/__init__.py b/daphne/__init__.py
index 55e4709..3d67cd6 100755
--- a/daphne/__init__.py
+++ b/daphne/__init__.py
@@ -1 +1 @@
-__version__ = "2.3.0"
+__version__ = "2.4.0"
diff --git a/setup.py b/setup.py
index b6cfdc8..357e294 100755
--- a/setup.py
+++ b/setup.py
@@ -22,7 +22,7 @@ setup(
     package_dir={"twisted": "daphne/twisted"},
     packages=find_packages() + ["twisted.plugins"],
     include_package_data=True,
-    install_requires=["twisted[tls]>=18.7", "autobahn>=0.18", "asgiref~=3.0"],
+    install_requires=["twisted[tls]>=18.7", "autobahn>=0.18", "asgiref~=3.2"],
     setup_requires=["pytest-runner"],
     extras_require={
         "tests": ["hypothesis==4.23", "pytest~=3.10", "pytest-asyncio~=0.8"]
@@ -41,6 +41,7 @@ setup(
         "Programming Language :: Python :: 3.5",
         "Programming Language :: Python :: 3.6",
         "Programming Language :: Python :: 3.7",
+        "Programming Language :: Python :: 3.8",
         "Topic :: Internet :: WWW/HTTP",
     ],
 )