diff --git a/requirements.txt b/requirements.txt
index 279bb1bf..5b47b2e6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -27,4 +27,5 @@ mkdocs
 mkdocs-material
 mkdocs-glightbox
 skypilot==0.4.1
-argparse
\ No newline at end of file
+argparse
+numexpr
\ No newline at end of file