diff --git a/pmml/requirements.txt b/pmml/requirements.txt
index 59ff726..a137ba6 100644
--- a/pmml/requirements.txt
+++ b/pmml/requirements.txt
@@ -3,5 +3,5 @@ numpy==2.0.2
 pandas==2.3.2
 pypmml==1.5.7
 scikit-learn==1.6.1
-sklearn2pmml==0.121.1
+sklearn2pmml==0.122.2
 seaborn==0.13.2
\ No newline at end of file