diff --git a/requirements_dev.txt b/requirements_dev.txt
index bcd66a7..5a944a1 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -1,7 +1,7 @@
 atomicwrites==1.3.0
 attrs==19.1.0
 bleach==3.3.0
-certifi==2019.6.16
+certifi==2022.12.7
 chardet==3.0.4
 colorama==0.4.1
 coverage==4.5.3