diff --git a/pkgs/development/python-modules/skytemple-dtef/default.nix b/pkgs/development/python-modules/skytemple-dtef/default.nix
new file mode 100644
index 00000000000..80bebd55696
--- /dev/null
+++ b/pkgs/development/python-modules/skytemple-dtef/default.nix
@@ -0,0 +1,25 @@
+{ lib, buildPythonPackage, fetchFromGitHub, skytemple-files }:
+
+buildPythonPackage rec {
+  pname = "skytemple-dtef";
+  version = "1.1.2";
+
+  src = fetchFromGitHub {
+    owner = "SkyTemple";
+    repo = pname;
+    rev = version;
+    sha256 = "177ydif01fai6z5yhgpa27pzfgabblzhl8nsczczcmw74vxqwzyc";
+  };
+
+  propagatedBuildInputs = [ skytemple-files ];
+
+  doCheck = false; # there are no tests
+  pythonImportsCheck = [ "skytemple_dtef" ];
+
+  meta = with lib; {
+    homepage = "https://github.com/SkyTemple/skytemple-dtef";
+    description = "A format for standardized rule-based tilesets with 256 adjacency combinations";
+    license = licenses.gpl3Plus;
+    maintainers = with maintainers; [ xfix ];
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 2279a0d4b34..024ad8d4688 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -7691,6 +7691,8 @@ in {
 
   skybellpy = callPackage ../development/python-modules/skybellpy { };
 
+  skytemple-dtef = callPackage ../development/python-modules/skytemple-dtef { };
+
   skytemple-files = callPackage ../development/python-modules/skytemple-files { };
 
   skytemple-icons = callPackage ../development/python-modules/skytemple-icons { };