diff --git a/requirements.txt b/requirements.txt
index 9cf98e8..c377008 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 alabaster==0.7.12
 asn1crypto==0.24.0
 Babel==2.6.0
-certifi==2019.3.9
+certifi==2022.12.7
 cffi==1.12.3
 chardet==3.0.4
 coverage==4.5.3