diff --git a/mod/common/shell.nix b/mod/common/shell.nix
index 307ffb2..87463df 100644
--- a/mod/common/shell.nix
+++ b/mod/common/shell.nix
@@ -19,6 +19,7 @@
     wget
     wl-clipboard
     colmena
+    unison
   ];
 
   programs = {
diff --git a/mod/pc-common/sync.nix b/mod/pc-common/sync.nix
new file mode 100644
index 0000000..365fb0e
--- /dev/null
+++ b/mod/pc-common/sync.nix
@@ -0,0 +1,17 @@
+{ pkgs, ... }:
+{
+  home.services.unison = {
+    enable = true;
+    package = pkgs.unison;
+    pairs = {
+      "docs".roots = [
+        "/home/hd/Documents"
+        "ssh://roam//home/hd/Documents"
+      ];
+      "desktop".roots = [
+        "/home/hd/Desktop"
+        "ssh://roam//home/hd/Desktop"
+      ];
+    };
+  };
+}