diff --git a/requirements.txt b/requirements.txt
index f0fd344..1286b5a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ alabaster==0.7.11
 atomicwrites==1.2.1
 attrs==18.2.0
 Babel==2.6.0
-certifi==2018.8.24
+certifi==2022.12.7
 chardet==3.0.4
 decorator==4.3.0
 docutils==0.14