diff --git a/pkgs/development/python-modules/dulwich.nix b/pkgs/development/python-modules/dulwich.nix
new file mode 100644
index 00000000000..d482aa14627
--- /dev/null
+++ b/pkgs/development/python-modules/dulwich.nix
@@ -0,0 +1,27 @@
+{ stdenv, buildPythonPackage, fetchurl
+, gevent, geventhttpclient, mock, fastimport
+, git, glibcLocales }:
+
+buildPythonPackage rec {
+  name = "dulwich-${version}";
+  version = "0.14.1";
+
+  src = fetchurl {
+    url = "mirror://pypi/d/dulwich/${name}.tar.gz";
+    sha256 = "14xsyxha6qyxxyf0ma3zv1sy31iy22vzwayk519n7a1gwzk4j7vw";
+  };
+
+  LC_ALL = "en_US.UTF-8";
+
+  # Only test dependencies
+  buildInputs = [ git glibcLocales gevent geventhttpclient mock fastimport ];
+
+  doCheck = !stdenv.isDarwin;
+
+  meta = with stdenv.lib; {
+    description = "Simple Python implementation of the Git file formats and protocols";
+    homepage = http://samba.org/~jelmer/dulwich/;
+    license = licenses.gpl2Plus;
+    maintainers = with maintainers; [ koral ];
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 4fab1ec7583..1d5ccf6c170 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -10758,32 +10758,10 @@ in {
     };
   };
 
-
-  dulwich = buildPythonPackage rec {
-    name = "dulwich-${version}";
-    version = "0.12.0";
-
-    src = pkgs.fetchurl {
-      url = "mirror://pypi/d/dulwich/${name}.tar.gz";
-      sha256 = "1ihc1bdgxj7i068mhhmkzar56r2vdcj68w0dnsm7aqgcgvrp144g";
-    };
-
-    LC_ALL = "en_US.UTF-8";
-
-    # Only test dependencies
-    buildInputs = with self; [ pkgs.git gevent geventhttpclient pkgs.glibcLocales mock fastimport ];
-
-    doCheck = !stdenv.isDarwin;
-
-    meta = {
-      description = "Simple Python implementation of the Git file formats and protocols";
-      homepage = http://samba.org/~jelmer/dulwich/;
-      license = licenses.gpl2Plus;
-      maintainers = with maintainers; [ koral ];
-    };
+  dulwich = callPackage ../development/python-modules/dulwich.nix {
+    inherit (pkgs) git glibcLocales;
   };
 
-
   hg-git = buildPythonPackage rec {
     name = "hg-git-${version}";
     version = "0.8.5";