diff --git a/pkgs/development/python-modules/defusedcsv/default.nix b/pkgs/development/python-modules/defusedcsv/default.nix
index ceebfba65114..5fe4db7e1abe 100644
--- a/pkgs/development/python-modules/defusedcsv/default.nix
+++ b/pkgs/development/python-modules/defusedcsv/default.nix
@@ -9,14 +9,14 @@
 
 buildPythonPackage rec {
   pname = "defusedcsv";
-  version = "2.0.0";
+  version = "3.0.0";
   format = "setuptools";
 
   src = fetchFromGitHub {
     owner = "raphaelm";
     repo = "defusedcsv";
     tag = "v${version}";
-    hash = "sha256-y8qLVfdkxRrDjtrTOLK5Zvi/1Vyv8eOnCueUkaRp4sQ=";
+    hash = "sha256-OEDZbltnh2tAM58Kk852W0so7oOSv7S+S046MjIOMfY=";
   };
 
   pythonImportsCheck = [ "defusedcsv.csv" ];