diff --git a/configs/home/dev.nix b/configs/home/dev.nix
index 2fb1b5a..953bd4f 100644
--- a/configs/home/dev.nix
+++ b/configs/home/dev.nix
@@ -9,4 +9,11 @@
     sbt
     geckodriver
   ];
+
+  services.gpg-agent = {
+    enable = true;
+    enableSshSupport = false;
+    pinentryFlavor = "gtk2";
+  };
+  programs.gpg.enable = true;
 }
diff --git a/hosts/nixos-desktop/configuration.nix b/hosts/nixos-desktop/configuration.nix
index 01c97ed..de9b213 100644
--- a/hosts/nixos-desktop/configuration.nix
+++ b/hosts/nixos-desktop/configuration.nix
@@ -17,6 +17,10 @@
       enable = true;
       userName  = "Paul-Henri Froidmont";
       userEmail = "git.contact-57n2p@froidmont.org";
+      signing = {
+        key = "3AC6F170F01133CE393BCD94BE948AFD7E7873BE";
+        signByDefault = true;
+      };
     };
   };