diff --git a/home/default.nix b/home/default.nix
index b27b044..df80dae 100644
--- a/home/default.nix
+++ b/home/default.nix
@@ -12,6 +12,7 @@
           ./helix.nix
           ./starship.nix
           ./terminal.nix
+          ./nix.nix
           ./git.nix
           ./direnv.nix
           ./zellij.nix
diff --git a/home/nix.nix b/home/nix.nix
new file mode 100644
index 0000000..95b25bd
--- /dev/null
+++ b/home/nix.nix
@@ -0,0 +1,4 @@
+{
+  # Garbage collect automatically every week
+  nix.gc.automatic = true;
+}