diff --git a/requirements.txt b/requirements.txt
index b18d599..a2124ef 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 atomicwrites==1.3.0
 attrs==19.1.0
-certifi==2019.6.16
+certifi==2022.12.7
 chardet==3.0.4
 coverage==4.5.3
 coveralls==1.8.1