diff --git a/flake.nix b/flake.nix
index a6974d5..e9e0118 100644
--- a/flake.nix
+++ b/flake.nix
@@ -35,6 +35,7 @@
                 psycopg2-binary
                 passlib
                 bcrypt
+                email-validator
               ]
           ))
           fastapi-cli