diff --git a/requirements.txt b/requirements.txt
index 76566e6..4f7b6ce 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ biom-format==2.1.6
 biopython==1.70
 burrito==0.9.1
 burrito-fillings==0.1.1
-certifi==2017.7.27.1
+certifi==2022.12.7
 cffi==1.10.0
 chardet==3.0.4
 click==6.7