diff --git a/.devops/nix/package.nix b/.devops/nix/package.nix
index 911c42ecb..03f576842 100644
--- a/.devops/nix/package.nix
+++ b/.devops/nix/package.nix
@@ -90,6 +90,7 @@ let
       ps.tiktoken
       ps.torchWithoutCuda
       ps.transformers
+      ps.python-frontmatter
 
       # server bench
       ps.matplotlib