diff --git a/systems/bob/default.nix b/systems/bob/default.nix
index c14fa42..585fb0a 100644
--- a/systems/bob/default.nix
+++ b/systems/bob/default.nix
@@ -8,6 +8,7 @@
     "${inputs.self}/common/optional/monitoring-agent.nix"
     "${inputs.self}/common/optional/nvidia.nix"
     "${inputs.self}/common/optional/scanner.nix"
+    "${inputs.self}/common/optional/signal-cli.nix"
     "${inputs.self}/common/optional/steam.nix"
     "${inputs.self}/common/optional/syncthing_base.nix"
     "${inputs.self}/common/optional/systemd-boot.nix"
diff --git a/systems/brain/default.nix b/systems/brain/default.nix
index 5ac143f..a0823fe 100644
--- a/systems/brain/default.nix
+++ b/systems/brain/default.nix
@@ -4,6 +4,7 @@
     "${inputs.self}/users/richie"
     "${inputs.self}/common/global"
     "${inputs.self}/common/optional/docker.nix"
+    "${inputs.self}/common/optional/signal-cli.nix"
     "${inputs.self}/common/optional/ssh_decrypt.nix"
     "${inputs.self}/common/optional/syncthing_base.nix"
     "${inputs.self}/common/optional/systemd-boot.nix"
diff --git a/systems/jeeves/default.nix b/systems/jeeves/default.nix
index 99e116e..607aae9 100644
--- a/systems/jeeves/default.nix
+++ b/systems/jeeves/default.nix
@@ -9,8 +9,8 @@ in
     "${inputs.self}/common/global"
     "${inputs.self}/common/optional/docker.nix"
     "${inputs.self}/common/optional/monitoring-agent.nix"
-    "${inputs.self}/common/optional/ssh_decrypt.nix"
     "${inputs.self}/common/optional/signal-cli.nix"
+    "${inputs.self}/common/optional/ssh_decrypt.nix"
     "${inputs.self}/common/optional/syncthing_base.nix"
     "${inputs.self}/common/optional/tailscale.nix"
     "${inputs.self}/common/optional/update.nix"
diff --git a/systems/portal-1/default.nix b/systems/portal-1/default.nix
index a5a20be..0442a6c 100644
--- a/systems/portal-1/default.nix
+++ b/systems/portal-1/default.nix
@@ -9,6 +9,7 @@
     inputs.disko.nixosModules.disko
     "${inputs.self}/users/richie"
     "${inputs.self}/common/global"
+    "${inputs.self}/common/optional/signal-cli.nix"
     "${inputs.self}/common/optional/tailscale.nix"
     "${inputs.self}/common/optional/x86-64-v3"
     ./disk-config.nix