diff --git a/requirements.txt b/requirements.txt
index 92d54f2..ee0c490 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@ astropy==4.0
 attrs==19.3.0
 bleach==3.1.0
 blis==0.4.1
-certifi==2019.11.28
+certifi==2022.12.7
 chardet==3.0.4
 click==7.0
 colorama==0.4.3