diff --git a/pkgs/by-name/ex/exegol/package.nix b/pkgs/by-name/ex/exegol/package.nix
index 4a315fd84622..43ac070e546e 100644
--- a/pkgs/by-name/ex/exegol/package.nix
+++ b/pkgs/by-name/ex/exegol/package.nix
@@ -22,6 +22,7 @@ python3Packages.buildPythonApplication (finalAttrs: {
   pythonRelaxDeps = [
     "argcomplete"
     "cryptography"
+    "pydantic"
     "requests"
     "rich"
     "supabase"