diff --git a/Justfile b/Justfile
index e99e84e5..01c36fc3 100644
--- a/Justfile
+++ b/Justfile
@@ -26,13 +26,13 @@ test:
 # Update all the flake inputs
 [group('nix')]
 up:
-  nix flake update
+  nix flake update --commit-lock-file
 
 # Update specific input
 # Usage: just upp nixpkgs
 [group('nix')]
 upp input:
-  nix flake update {{input}}
+  nix flake update {{input}} --commit-lock-file
 
 # List all generations of the system profile
 [group('nix')]