diff --git a/requirements.txt b/requirements.txt
index 11bf6cd..abfafa1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 attrs==17.4.0
-certifi==2018.1.18
+certifi==2022.12.7
 chardet==3.0.4
 coverage==4.0.3
 coveralls==1.2.0