diff --git a/requirements.txt b/requirements.txt
index 0596ebf..5aa066c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@ attrs==19.2.0
 backcall==0.1.0
 bleach==3.1.0
 cachetools==3.1.1
-certifi==2019.11.28
+certifi==2022.12.7
 chardet==3.0.4
 cycler==0.10.0
 Cython==0.29.14