diff --git a/common/services/nix-gc.nix b/common/services/nix-gc.nix
index 5358d5a..f0c3659 100644
--- a/common/services/nix-gc.nix
+++ b/common/services/nix-gc.nix
@@ -2,6 +2,6 @@
   nix.gc = {
     automatic = true;
     dates = "weekly";
-    options = "--delete-older-than 30d";
+    options = "--delete-older-than 60d";
   };
 }