diff --git a/flake.nix b/flake.nix
index d6b7a10..fc85f28 100644
--- a/flake.nix
+++ b/flake.nix
@@ -17,7 +17,10 @@
           version = "0.1.0";
           pyproject = true;
 
-          src = ./.;
+          src = builtins.fetchGit {
+            url = "git+https://git.stuce.ch/Stuce/calDAVtoCSV.git";
+            rev = "ca6bdb889085893cd4494cd1612a00f8e164ffac";
+          };
 
           build-system = with pkgs.python3.pkgs; [ setuptools ];