diff --git a/pkgs/development/python-modules/dinghy/default.nix b/pkgs/development/python-modules/dinghy/default.nix
index 592683a8841..1949fb6714f 100644
--- a/pkgs/development/python-modules/dinghy/default.nix
+++ b/pkgs/development/python-modules/dinghy/default.nix
@@ -2,6 +2,7 @@
 , buildPythonPackage
 , fetchFromGitHub
 , pytestCheckHook
+, pythonOlder
 , aiofiles
 , aiohttp
 , click-log
@@ -16,11 +17,13 @@ buildPythonPackage rec {
   version = "0.13.4";
   format = "setuptools";
 
+  disabled = pythonOlder "3.8";
+
   src = fetchFromGitHub {
     owner = "nedbat";
     repo = pname;
     rev = version;
-    sha256 = "sha256-H3AFKKtSiFD3LqyWaIYB4LncPaH2/eptuKS4BN0cNBQ=";
+    hash = "sha256-H3AFKKtSiFD3LqyWaIYB4LncPaH2/eptuKS4BN0cNBQ=";
   };
 
   propagatedBuildInputs = [
@@ -33,9 +36,13 @@ buildPythonPackage rec {
     pyyaml
   ];
 
-  checkInputs = [ pytestCheckHook ];
+  checkInputs = [
+    pytestCheckHook
+  ];
 
-  pythonImportsCheck = [ "dinghy.cli" ];
+  pythonImportsCheck = [
+    "dinghy.cli"
+  ];
 
   meta = with lib; {
     description = "A GitHub activity digest tool";