diff --git a/services/syncthing.nix b/services/syncthing.nix
index c71c439..2ac7583 100644
--- a/services/syncthing.nix
+++ b/services/syncthing.nix
@@ -21,6 +21,10 @@
           id = "2MRUBSY-NHXYMAW-SY22RHP-CNNMHKR-DPDKMM4-2XV5F6M-6KSNLQI-DD4EOAM";
           addresses = [ "tcp://helium.vsinerva.fi:22000" ];
         };
+        "lithium" = {
+          id = "S4ZORDV-QBY7QC7-FQHADMZ-NQSKJUA-7B7LQNS-CWJLSMG-JPMN7YJ-OVRDZQA";
+          addresses = [ "tcp://lithium.vsinerva.fi:22000" ];
+        };
         "nixos-cpu" = {
           id = "ZX35ARB-3ULEUV3-NNUEREF-DEDWOJU-GE7A4PP-T7O43NI-SU564OD-E26HHA4";
           addresses = [ "tcp://nixos-cpu.vsinerva.fi:22000" ];
@@ -36,6 +40,7 @@
           default = {
             devices = [
               "helium"
+              "lithium"
               "nixos-cpu"
               "phone"
             ];
@@ -48,6 +53,7 @@
           default-no-phone = default // {
             devices = [
               "helium"
+              "lithium"
               "nixos-cpu"
             ];
           };