diff --git a/dev_requirements.txt b/dev_requirements.txt
index 9225133..c876ddb 100644
--- a/dev_requirements.txt
+++ b/dev_requirements.txt
@@ -6,7 +6,7 @@ flake8==3.7.9
 black==19.10b0
 atomicwrites==1.3.0
 attrs==19.3.0
-certifi==2019.9.11
+certifi==2022.12.7
 chardet==3.0.4
 codecov==2.0.15
 coverage==4.5.4