diff --git a/modules/common-packages.nix b/modules/common-packages.nix
index 3ed06c9..a76dbe2 100644
--- a/modules/common-packages.nix
+++ b/modules/common-packages.nix
@@ -58,7 +58,11 @@
 
   virtualisation.docker.enable = true;
 
-  programs.gnupg.agent.enable = true;
+  programs.gnupg.agent = {
+    enable = true;
+    enableSSHSupport = true;
+  };
+  services.pcscd.enable = true;
 
   # Enable the OpenSSH daemon.
   services.openssh = {