diff --git a/common/nix.nix b/common/nix.nix
index a0b2870b..081b214f 100644
--- a/common/nix.nix
+++ b/common/nix.nix
@@ -3,7 +3,7 @@
     gc = {
       automatic = true;
       dates = "daily";
-      options = "--delete-older-than 3d";
+      options = "--delete-older-than 14d";
       persistent = true;
       randomizedDelaySec = "60min";
     };