diff --git a/pkgs/development/python-modules/checkdmarc/default.nix b/pkgs/development/python-modules/checkdmarc/default.nix
index 56450df2cf62..2079c9bfcfbc 100644
--- a/pkgs/development/python-modules/checkdmarc/default.nix
+++ b/pkgs/development/python-modules/checkdmarc/default.nix
@@ -20,7 +20,7 @@
 
 buildPythonPackage rec {
   pname = "checkdmarc";
-  version = "5.8.6";
+  version = "5.10.5";
   format = "pyproject";
 
   disabled = pythonOlder "3.7";
@@ -29,7 +29,7 @@ buildPythonPackage rec {
     owner = "domainaware";
     repo = "checkdmarc";
     tag = version;
-    hash = "sha256-MlHRBedBbcFbVga5q0havdD6M/YOlFW8SX0k1tRngmc=";
+    hash = "sha256-wXHfeWQ8ClTTWJQ4b9SGn8is5e103lgIyRvC+ACTmcE=";
   };
 
   pythonRelaxDeps = [ "xmltodict" ];