diff --git a/pkgs/development/python-modules/celery/default.nix b/pkgs/development/python-modules/celery/default.nix
index e7a7351b4ab8..3a357282c165 100644
--- a/pkgs/development/python-modules/celery/default.nix
+++ b/pkgs/development/python-modules/celery/default.nix
@@ -4,11 +4,11 @@
 
 buildPythonPackage rec {
   pname = "celery";
-  version = "4.1.1";
+  version = "4.2.0";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "d1f2a3359bdbdfb344edce98b8e891f5fe64f8a11c5a45538ec20ac237c971f5";
+    sha256 = "ff727c115533edbc7b81b2b4ba1ec88d1c2fc4836e1e2f4c3c33a76ff53e5d7f";
   };
 
   # make /etc/protocols accessible to fix socket.getprotobyname('tcp') in sandbox