diff --git a/pkgs/development/python-modules/restfly/default.nix b/pkgs/development/python-modules/restfly/default.nix
index d153a5f3c753..d705a17a1ac4 100644
--- a/pkgs/development/python-modules/restfly/default.nix
+++ b/pkgs/development/python-modules/restfly/default.nix
@@ -7,12 +7,13 @@
 , pytestCheckHook
 , python-box
 , pythonOlder
+, responses
 , requests
 }:
 
 buildPythonPackage rec {
   pname = "restfly";
-  version = "1.4.5";
+  version = "1.4.6";
   format = "setuptools";
 
   disabled = pythonOlder "3.7";
@@ -21,7 +22,7 @@ buildPythonPackage rec {
     owner = "stevemcgrath";
     repo = pname;
     rev = version;
-    hash = "sha256-wWFf8LFZkwzbHX545tA5w2sB3ClL7eFuF+jGX0fSiSc=";
+    hash = "sha256-nCubAn9AASnCsvlYdk4gmkoORRlsYEbJ8JmlT11xYWU=";
   };
 
   propagatedBuildInputs = [
@@ -34,6 +35,7 @@ buildPythonPackage rec {
     pytest-datafiles
     pytest-vcr
     pytestCheckHook
+    responses
   ];
 
   disabledTests = [