diff --git a/home/nixvim/default.nix b/home/nixvim/default.nix
index 2b4e354..d90b5dd 100644
--- a/home/nixvim/default.nix
+++ b/home/nixvim/default.nix
@@ -190,5 +190,6 @@
     plugins.web-devicons.enable = true;
     plugins.auto-save.enable = true;
     plugins.indent-blankline.enable = true;
+    plugins.undotree.enable = true;
   };
 }
diff --git a/home/yt/ytnix.nix b/home/yt/ytnix.nix
index 67f448d..8a725fe 100644
--- a/home/yt/ytnix.nix
+++ b/home/yt/ytnix.nix
@@ -138,4 +138,9 @@
   };
 
   services.gnome-keyring.enable = true;
+
+  programs.direnv = {
+    enable = true;
+    nix-direnv.enable = true;
+  };
 }
diff --git a/home/zsh/default.nix b/home/zsh/default.nix
index 2dd2a84..c1df4e8 100644
--- a/home/zsh/default.nix
+++ b/home/zsh/default.nix
@@ -116,4 +116,5 @@
   programs.zoxide.enableZshIntegration = true;
   programs.eza.enableZshIntegration = true;
   programs.nix-index.enableZshIntegration = false;
+  programs.direnv.enableZshIntegration = false;
 }