diff --git a/src/answers/Q_72193393/requirements.txt b/src/answers/Q_72193393/requirements.txt
index 0daa28d..d160796 100644
--- a/src/answers/Q_72193393/requirements.txt
+++ b/src/answers/Q_72193393/requirements.txt
@@ -1,5 +1,5 @@
 numpy
 pandas
-kaleido
+kaleido==0.4.2
 optuna
 tqdm