diff --git a/docs/requirements.txt b/docs/requirements.txt
index 0ab27b5..f0b19ee 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -3,7 +3,7 @@ atomicwrites==1.3.0
 attrs==19.1.0
 Babel==2.6.0
 bleach==3.1.0
-certifi==2019.3.9
+certifi==2022.12.7
 chardet==3.0.4
 coverage==4.5.3
 docutils==0.14