diff --git a/pkgs/development/python-modules/cartopy/default.nix b/pkgs/development/python-modules/cartopy/default.nix
index 7a2407950576..5d635d5a52b2 100644
--- a/pkgs/development/python-modules/cartopy/default.nix
+++ b/pkgs/development/python-modules/cartopy/default.nix
@@ -8,12 +8,12 @@
 
 buildPythonPackage rec {
   pname = "cartopy";
-  version = "0.20.3";
+  version = "0.21.0";
 
   src = fetchPypi {
     inherit version;
     pname = "Cartopy";
-    sha256 = "sha256-DWD6Li+9d8TR9rH507WIlmFH8HwbF50tNFcKweG0kAY=";
+    sha256 = "sha256-zh06KKEy6UyJrDN2mlD4H2VjSrK9QFVjF+Fb1srRzkI=";
   };
 
   postPatch = ''