diff --git a/release.nix b/release.nix
index 410b099..160c642 100644
--- a/release.nix
+++ b/release.nix
@@ -90,6 +90,7 @@ in {
   tests.networking-networkservices = makeTest ./tests/networking-networkservices.nix;
   tests.nix-enable = makeTest ./tests/nix-enable.nix;
   tests.nixpkgs-overlays = makeTest ./tests/nixpkgs-overlays.nix;
+  tests.programs-gnupg = makeTest ./tests/programs-gnupg.nix;
   tests.programs-ssh = makeTest ./tests/programs-ssh.nix;
   tests.programs-tmux = makeTest ./tests/programs-tmux.nix;
   tests.programs-zsh = makeTest ./tests/programs-zsh.nix;
diff --git a/tests/programs-gnupg.nix b/tests/programs-gnupg.nix
new file mode 100644
index 0000000..3a5c588
--- /dev/null
+++ b/tests/programs-gnupg.nix
@@ -0,0 +1,31 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+let
+  gnupg = pkgs.runCommand "gnupg-0.0.0" { } "mkdir -p $out/bin";
+in
+
+{
+  system.primaryUser = "test-gnupg-user";
+
+  programs.gnupg.package = gnupg;
+  programs.gnupg.agent.enable = true;
+  programs.gnupg.agent.enableSSHSupport = true;
+
+  test = ''
+    echo >&2 "checking gnupg-agent service in ~/Library/LaunchAgents"
+    grep "org.nixos.gnupg-agent" ${config.out}/user/Library/LaunchAgents/org.nixos.gnupg-agent.plist
+    grep "${gnupg}/bin/gpg-connect-agent" ${config.out}/user/Library/LaunchAgents/org.nixos.gnupg-agent.plist
+
+    echo >&2 "checking GPG_TTY in set-environment"
+    grep 'export GPG_TTY=\$(tty)' ${config.system.build.setEnvironment}
+
+    echo >&2 "checking SSH support in set-environment"
+    grep "${gnupg}/bin/gpg-connect-agent --quiet updatestartuptty /bye" ${config.system.build.setEnvironment}
+    grep "${gnupg}/bin/gpgconf --list-dirs agent-ssh-socket" ${config.system.build.setEnvironment}
+  '';
+}