diff --git a/docs/requirements.txt b/docs/requirements.txt
index a5a1db9..cae3b80 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -3,7 +3,7 @@ argcomplete==1.10.0
 atomicwrites==1.3.0
 attrs==19.2.0
 Babel==2.7.0
-certifi==2019.9.11
+certifi==2022.12.7
 chardet==3.0.4
 coverage==4.5.4
 docutils==0.15.2