diff --git a/requirements.txt b/requirements.txt
index 68cfd0e..3606a0a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ alabaster==0.7.12
 appnope==0.1.0
 Babel==2.9.1
 backcall==0.1.0
-certifi==2019.3.9
+certifi==2022.12.7
 chardet==3.0.4
 coverage==5.0.3
 decorator==4.4.0