diff --git a/docs/requirements.txt b/docs/requirements.txt
index 287c3c0..0c06af5 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -4,7 +4,7 @@ atomicwrites==1.2.1
 attrs==18.2.0
 Babel==2.6.0
 boltons==18.0.1
-certifi==2018.11.29
+certifi==2022.12.7
 chardet==3.0.4
 Click==7.0
 docutils==0.14