diff --git a/requirements/dev.txt b/requirements/dev.txt
index 312c594..b4a59c3 100644
--- a/requirements/dev.txt
+++ b/requirements/dev.txt
@@ -1,7 +1,7 @@
 -i https://pypi.org/simple
 atomicwrites==1.2.1
 attrs==18.2.0
-certifi==2018.10.15
+certifi==2022.12.7
 chardet==3.0.4
 coverage==4.5.1
 coveralls==1.5.1