diff --git a/home/base/server/git.nix b/home/base/server/git.nix
index d4d5f15a..18bac654 100644
--- a/home/base/server/git.nix
+++ b/home/base/server/git.nix
@@ -15,6 +15,12 @@
     rm -f ~/.gitconfig
   '';
 
+  home.packages = with pkgs; [
+    # Automatically trims your branches whose tracking remote refs are merged or gone
+    # It's really useful when you work on a project for a long time.
+    git-trim
+  ];
+
   programs.git = {
     enable = true;
     lfs.enable = true;