diff --git a/src/answers/Q_72193393/requirements.txt b/src/answers/Q_72193393/requirements.txt
index 0daa28d..26f35d6 100644
--- a/src/answers/Q_72193393/requirements.txt
+++ b/src/answers/Q_72193393/requirements.txt
@@ -1,5 +1,5 @@
 numpy
-pandas
+pandas==2.3.1
 kaleido
 optuna
 tqdm