diff --git a/requirements.txt b/requirements.txt
index dd9f161..150e7bd 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,7 +7,7 @@ backports.weakref==1.0.post1
 bokeh==1.2.0
 bz2file==0.98
 cachetools==3.1.1
-certifi==2019.6.16
+certifi==2022.12.7
 chardet==3.0.4
 Click==7.0
 cloudpickle==1.2.1