diff --git a/nix/compile.nix b/nix/compile.nix
index c9cbebd5..61955d8a 100644
--- a/nix/compile.nix
+++ b/nix/compile.nix
@@ -20,7 +20,7 @@ let
     };
 
   toolchainOptions = {
-    rustVersion = "1.77.0";
+    rustVersion = "1.78.0";
     extraRustComponents = [ "clippy" ];
   };