diff --git a/flake.nix b/flake.nix
index 940f714..2917628 100644
--- a/flake.nix
+++ b/flake.nix
@@ -11,8 +11,8 @@
       systems = nixpkgs.lib.platforms.linux;
       lib = nixpkgs.lib;
       packagePaths = rec {
-        rpi4_rt_5_15 = ./packages/linux_rpi4_rt_5_15;
-        rpi4_rt = rpi4_rt_5_15;
+        rpi4_rt_6_1 = ./packages/linux_rpi4_rt_6_1;
+        rpi4_rt = rpi4_rt_6_1;
       };
     in rec {
       packages = lib.genAttrs systems (system: