diff --git a/pkgs/development/python-modules/twilio/default.nix b/pkgs/development/python-modules/twilio/default.nix
index 2247773b950c..02c260a9dfe1 100644
--- a/pkgs/development/python-modules/twilio/default.nix
+++ b/pkgs/development/python-modules/twilio/default.nix
@@ -3,13 +3,13 @@
 
 buildPythonPackage rec {
   pname = "twilio";
-  version = "6.19.2";
+  version = "6.21.0";
   # tests not included in PyPi, so fetch from github instead
   src = fetchFromGitHub {
     owner = "twilio";
     repo = "twilio-python";
     rev = version;
-    sha256 = "1dymn98wlby93jx7agvmhzy5dvwmaclz481lbzgvbqavy3n0sbdk";
+    sha256 = "1xinj2vyfasi1j3g7kk7xkmp6w8yawaqi3dz7mvibf9ywsi4dhc9";
   };
 
   buildInputs = [ nose mock ];