diff --git a/decoysnail.nix b/decoysnail.nix
index dea8191..c608f17 100644
--- a/decoysnail.nix
+++ b/decoysnail.nix
@@ -6,6 +6,7 @@
       ./common.nix
       ./large-sw.nix
       ./uefi.nix
+      ./fstrim.nix
     ];
 
   boot.initrd.luks.devices = [