diff --git a/pkgs/development/python-modules/treq/default.nix b/pkgs/development/python-modules/treq/default.nix
index 31b2a3ef2091..1ec88ff1b771 100644
--- a/pkgs/development/python-modules/treq/default.nix
+++ b/pkgs/development/python-modules/treq/default.nix
@@ -4,11 +4,11 @@
 
 buildPythonPackage rec {
   pname = "treq";
-  version = "18.6.0";
+  version = "20.4.1";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "91e09ff6b524cc90aa5e934b909c8d0d1a9d36ebd618b6c38e37b17013e69f48";
+    sha256 = "115wwb3sripl3xvwpygwyrxrapyis0i7w1yq591z3dwl9k9fgzk8";
   };
 
   propagatedBuildInputs = [