diff --git a/pkgs/development/tools/b4/default.nix b/pkgs/development/tools/b4/default.nix
index ec5542e8f1a3..130d7f1d23af 100644
--- a/pkgs/development/tools/b4/default.nix
+++ b/pkgs/development/tools/b4/default.nix
@@ -2,11 +2,11 @@
 
 python3Packages.buildPythonApplication rec {
   pname = "b4";
-  version = "0.8.0";
+  version = "0.10.1";
 
   src = python3Packages.fetchPypi {
     inherit pname version;
-    sha256 = "sha256-fVHW27KIBT/GQ7hOx67qpVlOHLjHwdQcYl2XgCPTvoQ=";
+    sha256 = "zESWjmKz4DaiGg1VmbDlouTNm71YqIr1y9MCev72tEQ=";
   };
 
   # tests make dns requests and fails
@@ -17,12 +17,13 @@ python3Packages.buildPythonApplication rec {
     dnspython
     dkimpy
     patatt
+    git-filter-repo
   ];
 
   meta = with lib; {
     homepage = "https://git.kernel.org/pub/scm/utils/b4/b4.git/about";
     license = licenses.gpl2Only;
     description = "A helper utility to work with patches made available via a public-inbox archive";
-    maintainers = with maintainers; [ jb55 ];
+    maintainers = with maintainers; [ jb55 qyliss ];
   };
 }