diff --git a/requirements.txt b/requirements.txt
index 471da1f..3202c72 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 astor==0.7.1
 Babel==2.5.1
 backports.csv==1.0.7
-certifi==2019.3.9
+certifi==2022.12.7
 cffi==1.12.3
 cycler==0.10.0
 defusedxml==0.6.0