diff --git a/appweb/requirements.txt b/appweb/requirements.txt
index 9abaab0..f844293 100644
--- a/appweb/requirements.txt
+++ b/appweb/requirements.txt
@@ -15,7 +15,7 @@ blaze==0.10.1
 bokeh==0.12.4
 boto==2.45.0
 Bottleneck==1.2.0
-certifi==2017.4.17
+certifi==2022.12.7
 cffi==1.9.1
 chardet==3.0.4
 chest==0.2.3