diff --git a/flake.nix b/flake.nix
index 9ce72bf..1b84e4d 100644
--- a/flake.nix
+++ b/flake.nix
@@ -45,7 +45,7 @@
         overlays = [(import rust-overlay)];
       };
 
-      nightly = true;
+      nightly = false;
       rust =
         if nightly
         then pkgs.rust-bin.selectLatestNightlyWith (toolchain: toolchain.default)