diff --git a/flake.nix b/flake.nix
index 2f64a1fd..ee288909 100644
--- a/flake.nix
+++ b/flake.nix
@@ -105,6 +105,10 @@
         };
       };
 
+      devshell.externalModules = { pkgs, ... }: {
+        packages = [ pkgs.agenix ];
+      };
+
       homeConfigurations = digga.lib.mkHomeConfigurations self.nixosConfigurations;
 
       deploy.nodes = digga.lib.mkDeployNodes self.nixosConfigurations { };