diff --git a/requirements.txt b/requirements.txt
index 4a3bff6..b1dad61 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 alabaster==0.7.10
 Babel==2.5.3
-certifi==2018.4.16
+certifi==2022.12.7
 chardet==3.0.4
 docutils==0.14
 idna==2.6