diff --git a/flake.nix b/flake.nix
index f466aef..1ce34c0 100644
--- a/flake.nix
+++ b/flake.nix
@@ -30,6 +30,7 @@
           requests
           jinja2
           google-generativeai # Dependency for Gemini API
+          grpcio              # Required by google-generativeai
           reportlab           # Dependency for PDF generation
           python-docx          # Dependency for Word document generation
         ];