diff --git a/default.nix b/default.nix
index fd3afc5..37950d2 100644
--- a/default.nix
+++ b/default.nix
@@ -3,10 +3,10 @@
 let
   rpi-gpio = pkgs.python3Packages.buildPythonPackage {
     pname = "RPi.GPIO";
-    version = "0.7.0";
+    version = "0.6.3";
 
     src = builtins.fetchTarball {
-      url = "https://github.com/jfath/RPi.GPIO-Odroid/archive/1bf20794e6727631f2b4b053296455eba900507e.zip";
+      url = "https://github.com/jfath/RPi.GPIO-Odroid/archive/1bf20794e6727631f2b4b053296455eba900507e.tar.gz";
       sha256 = "0xf64d88xvly7w8g2fbvdl4azp79ikxf49i1wlkrb3abfakmqc3p";
     };