diff --git a/requirements.txt b/requirements.txt
index 653bc3d..087add0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,6 +6,7 @@ asttokens==2.2.1
 attrs==23.1.0
 backcall==0.2.0
 beautifulsoup4==4.12.2
+Benchmarker==4.0.1
 bleach==6.0.0
 cffi==1.15.1
 comm==0.1.3