diff --git a/requirements.txt b/requirements.txt
index ac02bfc..0fdfab1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 alabaster==0.7.10
 Babel==2.4.0
-certifi==2017.4.17
+certifi==2022.12.7
 chardet==3.0.4
 cookies==2.2.1
 coverage==4.4.1