diff --git a/requirements.txt b/requirements.txt
index fff8278..b341786 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -14,7 +14,7 @@ Automat==20.2.0
 Babel==2.8.0
 backcall==0.1.0
 bokeh==1.4.0
-certifi==2019.9.11
+certifi==2022.12.7
 cffi==1.14.0
 chardet==3.0.4
 click==7.1.1