diff --git a/pkgs/development/python-modules/iso8601/default.nix b/pkgs/development/python-modules/iso8601/default.nix
index 14cef7c62a8c..e189e3778bc8 100644
--- a/pkgs/development/python-modules/iso8601/default.nix
+++ b/pkgs/development/python-modules/iso8601/default.nix
@@ -10,14 +10,14 @@
 
 buildPythonPackage rec {
   pname = "iso8601";
-  version = "1.0.2";
+  version = "1.1.0";
   format = "pyproject";
 
-  disabled = pythonOlder "3.6";
+  disabled = pythonOlder "3.7";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "sha256-J/UDIg5oRdnblU+yErlbA2LYt+bBsjJqhwYcPek1lLE=";
+    hash = "sha256-MoEee4He7iBj6m0ulPiBmobR84EeSdI2I6QfqDK+8D8=";
   };
 
   nativeBuildInputs = [