diff --git a/pkgs/development/python-modules/bids-validator/default.nix b/pkgs/development/python-modules/bids-validator/default.nix
index 9832ff783a6b..49952b4f5f17 100644
--- a/pkgs/development/python-modules/bids-validator/default.nix
+++ b/pkgs/development/python-modules/bids-validator/default.nix
@@ -4,12 +4,12 @@
 }:
 
 buildPythonPackage rec {
-  version = "1.8.8";
+  version = "1.8.9";
   pname = "bids-validator";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "e9ebc4cf1004bd343bbb56105b1eb2be833200e466dbaff7dfd267fca044d55e";
+    sha256 = "01fcb5a8fe6de1280cdfd5b37715103ffa0bafb3c739ca7f5ffc41e46549612e";
   };
 
   # needs packages which are not available in nixpkgs