diff --git a/common/base.nix b/common/base.nix
index f052da6..f4d477d 100644
--- a/common/base.nix
+++ b/common/base.nix
@@ -98,7 +98,7 @@
       ];
   };
 
-  boot.kernelPackages = pkgs.linuxPackages_6_6;
+  # boot.kernelPackages = pkgs.linuxPackages_6_6;
 
   # Some programs need SUID wrappers, can be configured further or are
   # started in user sessions.
diff --git a/common/programs/git.nix b/common/programs/git.nix
index 55bcf09..0e26060 100644
--- a/common/programs/git.nix
+++ b/common/programs/git.nix
@@ -12,7 +12,7 @@
       };
 
       init = {
-        defaultBranch = "master";
+        defaultBranch = "main";
       };
     };
   };
diff --git a/home/tasia/home.nix b/home/tasia/home.nix
index 177dcbc..3312d4a 100644
--- a/home/tasia/home.nix
+++ b/home/tasia/home.nix
@@ -31,6 +31,7 @@
         ".config/btop/btop.conf".source = ../../dotfiles/btop.conf;
         # ".gitconfig".source = ../../dotfiles/.gitconfig;
 
+
         ".librewolf/librewolf.overrides.cfg".source = ../../dotfiles/librewolf.overrides.cfg;
       };
 
diff --git a/hosts/yaseen/configuration.nix b/hosts/yaseen/configuration.nix
index 512f148..3cfb4a4 100644
--- a/hosts/yaseen/configuration.nix
+++ b/hosts/yaseen/configuration.nix
@@ -109,6 +109,7 @@ in {
     lsd
     viu
     logseq
+    nix-tree
     android-studio
   ];