diff --git a/pkgs/development/python-modules/jinja2-git/default.nix b/pkgs/development/python-modules/jinja2-git/default.nix
new file mode 100644
index 000000000000..59b34f6a4fb3
--- /dev/null
+++ b/pkgs/development/python-modules/jinja2-git/default.nix
@@ -0,0 +1,33 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, jinja2
+, poetry-core
+}:
+
+buildPythonPackage rec {
+  pname = "jinja2-git";
+  version = "unstable-2021-07-20";
+  format = "pyproject";
+
+  src = fetchFromGitHub {
+    owner = "wemake-services";
+    repo = "jinja2-git";
+    # this is master, we can't patch because of poetry.lock :(
+    # luckily, there appear to have been zero API changes since then, only
+    # dependency upgrades
+    rev = "c6d19b207eb6ac07182dc8fea35251d286c82512";
+    sha256 = "0yw0318w57ksn8azmdyk3zmyzfhw0k281fddnxyf4115bx3aph0g";
+  };
+
+  nativeBuildInputs = [ poetry-core ];
+  propagatedBuildInputs = [ jinja2 ];
+  pythonImportsCheck = [ "jinja2_git" ];
+
+  meta = with lib; {
+    homepage = "https://github.com/wemake-services/jinja2-git";
+    description = "Jinja2 extension to handle git-specific things";
+    license = licenses.mit;
+    maintainers = with maintainers; [ cpcloud ];
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 3fefa1c45f6d..647129cc8521 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -3734,6 +3734,8 @@ in {
 
   jinja2 = callPackage ../development/python-modules/jinja2 { };
 
+  jinja2-git = callPackage ../development/python-modules/jinja2-git { };
+
   jinja2_pluralize = callPackage ../development/python-modules/jinja2_pluralize { };
 
   jinja2_time = callPackage ../development/python-modules/jinja2_time { };