diff --git a/.envrc b/.envrc
index b55f6ba..81c38a4 100644
--- a/.envrc
+++ b/.envrc
@@ -29,4 +29,4 @@ EOT
   chmod +x "$alias_file"
 }
 
-export_alias flakeup 'nix flake update && git commit flake.lock -m "nix: update flake sources" && FLAKE=$PWD nh os switch'
+export_alias flakeup 'nix flake update && git commit flake.lock -m "nix: update flake sources to $(nix flake metadata --json | jq '.locks.nodes.nixpkgs.locked.rev' --raw-output | cut -c1-7)" && FLAKE=$PWD nh os switch'