diff --git a/flake.nix b/flake.nix
index 232e8d0..01e9af4 100644
--- a/flake.nix
+++ b/flake.nix
@@ -25,7 +25,7 @@
     };
 
     floatc = {
-      url = "git+https://git.stribrny.org/max_ag/floating-calculator";
+      url = "git+https://git.stribrny.org/max_ag/floating-calculator/2abbacf66e";
       inputs.nixpkgs.follows = "nixpkgs";
     };
   };