diff --git a/dev.requirements.txt b/dev.requirements.txt
index 2abe529..e9336aa 100644
--- a/dev.requirements.txt
+++ b/dev.requirements.txt
@@ -2,7 +2,7 @@ alabaster==0.7.12
 appdirs==1.4.3
 Babel==2.8.0
 bleach==3.1.4
-certifi==2019.11.28
+certifi==2022.12.7
 cffi==1.14.0
 chardet==3.0.4
 coverage==5.0.3