diff --git a/pkgs/development/python-modules/sigstore/default.nix b/pkgs/development/python-modules/sigstore/default.nix
index 6cc24de623ba..365356b0dd8e 100644
--- a/pkgs/development/python-modules/sigstore/default.nix
+++ b/pkgs/development/python-modules/sigstore/default.nix
@@ -52,6 +52,7 @@ buildPythonPackage (finalAttrs: {
 
   pythonRelaxDeps = [
     "cryptography"
+    "rich"
     "sigstore-models"
   ];