diff --git a/DTI-CDF_requirements.txt b/DTI-CDF_requirements.txt
index 1f01fd2..777965f 100644
--- a/DTI-CDF_requirements.txt
+++ b/DTI-CDF_requirements.txt
@@ -6,7 +6,7 @@ backports.functools-lru-cache==1.5
 backports.shutil-get-terminal-size==1.0.0
 backports.weakref==1.0.post1
 bleach==3.1.0
-certifi==2019.3.9
+certifi==2022.12.7
 configparser==3.7.4
 cycler==0.10.0
 decorator==4.4.0