diff --git a/dev_requirements.txt b/dev_requirements.txt
index cd25220..eb0a7fc 100644
--- a/dev_requirements.txt
+++ b/dev_requirements.txt
@@ -1,6 +1,6 @@
 atomicwrites==1.1.5
 attrs==18.1.0
-certifi==2018.4.16
+certifi==2022.12.7
 chardet==3.0.4
 coverage==4.5.1
 coveralls==1.3.0