diff --git a/modules/base/default.nix b/modules/base/default.nix
index f3dd5bb..1d4874e 100644
--- a/modules/base/default.nix
+++ b/modules/base/default.nix
@@ -133,6 +133,7 @@ in {
             hdparm
             sdparm
             procps
+            unison
             vmtouch
             vimv-rs
             sysstat