diff --git a/notebooks/requirements.txt b/notebooks/requirements.txt
index ca41eca..ce7f120 100644
--- a/notebooks/requirements.txt
+++ b/notebooks/requirements.txt
@@ -8,7 +8,7 @@ backports-abc==0.5
 backports.functools-lru-cache==1.5
 backports.shutil-get-terminal-size==1.0.0
 bleach==3.1.4
-certifi==2018.8.13
+certifi==2022.12.7
 cffi==1.11.5
 chardet==3.0.4
 clyent==1.2.2