diff --git a/docs/best-practices/simplify-nixos-related-commands.md b/docs/best-practices/simplify-nixos-related-commands.md
index b4182d0..57af2fe 100644
--- a/docs/best-practices/simplify-nixos-related-commands.md
+++ b/docs/best-practices/simplify-nixos-related-commands.md
@@ -33,7 +33,7 @@ up:
 # Update specific input
 # usage: make upp i=home-manager
 upp:
-  nix flake lock --update-input $(i)
+  nix flake update $(i)
 
 history:
   nix profile history --profile /nix/var/nix/profiles/system
diff --git a/docs/nixos-with-flakes/update-the-system.md b/docs/nixos-with-flakes/update-the-system.md
index 1e7d516..64b29e7 100644
--- a/docs/nixos-with-flakes/update-the-system.md
+++ b/docs/nixos-with-flakes/update-the-system.md
@@ -8,7 +8,7 @@ in `/etc/nixos` or any other location where you keep the configuration:
 nix flake update
 
 # Or replace only the specific input, such as home-manager:
-nix flake lock --update-input home-manager
+nix flake update home-manager
 
 # Apply the updates
 sudo nixos-rebuild switch --flake .
diff --git a/docs/zh/best-practices/simplify-nixos-related-commands.md b/docs/zh/best-practices/simplify-nixos-related-commands.md
index e246bf8..e867cd2 100644
--- a/docs/zh/best-practices/simplify-nixos-related-commands.md
+++ b/docs/zh/best-practices/simplify-nixos-related-commands.md
@@ -34,7 +34,7 @@ up:
 # Update specific input
 # usage: make upp i=home-manager
 upp:
-  nix flake lock --update-input $(i)
+  nix flake update $(i)
 
 history:
   nix profile history --profile /nix/var/nix/profiles/system
diff --git a/docs/zh/nixos-with-flakes/update-the-system.md b/docs/zh/nixos-with-flakes/update-the-system.md
index 623ec3b..b23ce33 100644
--- a/docs/zh/nixos-with-flakes/update-the-system.md
+++ b/docs/zh/nixos-with-flakes/update-the-system.md
@@ -8,7 +8,7 @@
 nix flake update
 
 # 或者也可以只更新特定的依赖项，比如只更新 home-manager:
-nix flake lock --update-input home-manager
+nix flake update home-manager
 
 # 部署系统
 sudo nixos-rebuild switch --flake .