diff --git a/requirement_dev.txt b/requirement_dev.txt
index bb4b154..e7abb45 100644
--- a/requirement_dev.txt
+++ b/requirement_dev.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
 click==6.7
 Flask==1.0.2