diff --git a/requirements.txt b/requirements.txt
index d8b5ff4..c1418e8 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ backports-abc==0.5
 backports.functools-lru-cache==1.5
 bokeh==1.0.4
 cachetools==3.1.0
-certifi==2019.3.9
+certifi==2022.12.7
 chardet==3.0.4
 Click==7.0
 cryptography==2.1.4