diff --git a/requirements.txt b/requirements.txt
index 67d1967..677bab2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 africastalking==1.1.4
 aniso8601==3.0.2
-certifi==2018.4.16
+certifi==2022.12.7
 chardet==3.0.4
 click==6.7
 Flask==1.0.2