diff --git a/dev_requirements.txt b/dev_requirements.txt
index 3ece45a..421b7d0 100644
--- a/dev_requirements.txt
+++ b/dev_requirements.txt
@@ -1,7 +1,7 @@
 alabaster==0.7.10
 Babel==2.5.1
 bumpversion==0.5.3
-certifi==2017.11.5
+certifi==2022.12.7
 chardet==3.0.4
 coverage==4.4.2
 decorator==4.1.2