diff --git a/backend/requirements.txt b/backend/requirements.txt
index 4987346c..2d6093a3 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -9,4 +9,4 @@ scikit-learn==0.23.2
 pandas==1.1.4
 requests==2.24.0
 hmmlearn==0.2.4
-certifi==2020.6.20
+certifi==2022.12.7