diff --git a/pkgs/development/python-modules/pybigwig/default.nix b/pkgs/development/python-modules/pybigwig/default.nix
index c53941e8b5df..b82126e5862e 100644
--- a/pkgs/development/python-modules/pybigwig/default.nix
+++ b/pkgs/development/python-modules/pybigwig/default.nix
@@ -10,16 +10,16 @@
 
 buildPythonPackage rec {
   pname = "pybigwig";
-  version = "0.3.22";
+  version = "0.3.23";
   format = "setuptools";
 
-  disabled = pythonOlder "3.7";
+  disabled = pythonOlder "3.9";
 
   src = fetchFromGitHub {
     owner = "deeptools";
     repo = "pyBigWig";
     rev = "refs/tags/${version}";
-    hash = "sha256-wJC5eXIC9PNlbCtmq671WuoIJVkh3aX7K6WArJWjyFg=";
+    hash = "sha256-ch9nZrQAnzFQQ62/NF4J51pV4DQAbVq4/f/6LaXf5hM=";
   };
 
   buildInputs = [ zlib ];