diff --git a/requirements.txt b/requirements.txt
index b110198..5382e8c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ attrs==19.1.0
 beautifulsoup4==4.7.1
 biopython==1.73
 bioservices==1.6.0
-certifi==2019.6.16
+certifi==2022.12.7
 chardet==3.0.4
 Click==7.0
 colorama==0.4.1