diff --git a/devenv.nix b/devenv.nix
index b35cc92..ff77f60 100644
--- a/devenv.nix
+++ b/devenv.nix
@@ -6,7 +6,11 @@
     };
   };
 
-  packages = [];
+  packages = [
+    pkgs.python313Packages.click
+    pkgs.python313Packages.ebooklib
+    pkgs.python313Packages.requests
+  ];
 
   git-hooks = {
     enable = true;