diff --git a/pkgs/development/python-modules/asgiref/default.nix b/pkgs/development/python-modules/asgiref/default.nix
index 155ddf8c9f8b..a07d370761a5 100644
--- a/pkgs/development/python-modules/asgiref/default.nix
+++ b/pkgs/development/python-modules/asgiref/default.nix
@@ -1,6 +1,6 @@
 { stdenv, buildPythonPackage, pythonOlder, fetchFromGitHub, async-timeout, pytest, pytest-asyncio }:
 buildPythonPackage rec {
-  version = "2.3.2";
+  version = "3.1.2";
   pname = "asgiref";
 
   disabled = pythonOlder "3.5";
@@ -10,7 +10,7 @@ buildPythonPackage rec {
     owner = "django";
     repo = pname;
     rev = version;
-    sha256 = "1ljymmcscyp3bz33kjbhf99k04fbama87vg4069gbgj6lnxjpzav";
+    sha256 = "1y32ys1q07nyri0b053mx24qvkw305iwvqvqgi2fdhx0va8d7qfy";
   };
 
   propagatedBuildInputs = [ async-timeout ];
diff --git a/pkgs/development/python-modules/channels/default.nix b/pkgs/development/python-modules/channels/default.nix
index ef8456d376c6..a3b7e54c57a5 100644
--- a/pkgs/development/python-modules/channels/default.nix
+++ b/pkgs/development/python-modules/channels/default.nix
@@ -3,11 +3,11 @@
 }:
 buildPythonPackage rec {
   pname = "channels";
-  version = "2.1.7";
+  version = "2.2.0";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "e13ba874d854ac493ece329dcd9947e82357c15437ac1a90ed1040d0e5b87aad";
+    sha256 = "af7cdba9efb3f55b939917d1b15defb5d40259936013e60660e5e9aff98db4c5";
   };
 
   # Files are missing in the distribution
diff --git a/pkgs/development/python-modules/daphne/default.nix b/pkgs/development/python-modules/daphne/default.nix
index da85fbb1d9b7..e577617c4780 100644
--- a/pkgs/development/python-modules/daphne/default.nix
+++ b/pkgs/development/python-modules/daphne/default.nix
@@ -1,10 +1,10 @@
-{ stdenv, buildPythonPackage, isPy3k, fetchFromGitHub
+{ stdenv, buildPythonPackage, isPy3k, fetchFromGitHub, fetchpatch
 , asgiref, autobahn, twisted, pytestrunner
 , hypothesis, pytest, pytest-asyncio
 }:
 buildPythonPackage rec {
   pname = "daphne";
-  version = "2.2.5";
+  version = "2.3.0";
 
   disabled = !isPy3k;
 
@@ -12,9 +12,17 @@ buildPythonPackage rec {
     owner = "django";
     repo = pname;
     rev = version;
-    sha256 = "0ixgq1rr3s60bmrwx8qwvlvs3lag1c2nrmg4iy7wcmb8i1ddylqr";
+    sha256 = "020afrvbnid13gkgjpqznl025zpynisa96kybmf8q7m3wp1iq1nl";
   };
 
+  patches = [
+    # Fix compatibility with Hypothesis 4. See: https://github.com/django/daphne/pull/261
+    (fetchpatch {
+      url = "https://github.com/django/daphne/commit/2df5096c5b63a791c209e12198ad89c998869efd.patch";
+      sha256 = "0046krzcn02mihqmsjd80kk5h5flv44nqxpapa17g6dvq3jnb97n";
+    })
+  ];
+
   nativeBuildInputs = [ pytestrunner ];
 
   propagatedBuildInputs = [ asgiref autobahn twisted ];