diff --git a/requirements-dev.txt b/requirements-dev.txt
index 67af9c0..cf543f8 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,4 +1,4 @@
-certifi==2017.7.27.1
+certifi==2022.12.7
 chardet==3.0.4
 coverage==4.4.1
 coveralls==1.2.0