diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000..d69905b
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1 @@
+*.yaml diff=sopsdiffer
diff --git a/flakes/home-manager/guanranwang/nixos/home.nix b/flakes/home-manager/guanranwang/nixos/home.nix
index c79a678..3893366 100644
--- a/flakes/home-manager/guanranwang/nixos/home.nix
+++ b/flakes/home-manager/guanranwang/nixos/home.nix
@@ -60,6 +60,7 @@
       # cli
       fastfetch
       wget
+      sops
       zoxide # rs
       trashy
       eza