diff --git a/flake.nix b/flake.nix
index 917ef52..a6974d5 100644
--- a/flake.nix
+++ b/flake.nix
@@ -34,6 +34,7 @@
                 pyjwt # JWT authentication
                 psycopg2-binary
                 passlib
+                bcrypt
               ]
           ))
           fastapi-cli