diff --git a/step3_recommendations/requirements.txt b/step3_recommendations/requirements.txt
index d659636..6c3ba8b 100644
--- a/step3_recommendations/requirements.txt
+++ b/step3_recommendations/requirements.txt
@@ -1,5 +1,5 @@
 Bottleneck==1.2.1
-certifi==2018.4.16
+certifi==2022.12.7
 chardet==3.0.4
 h5py==2.7.1
 idna==2.6