diff --git a/requirements.txt b/requirements.txt
index 8e4b6a5..abd51f2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-certifi==2017.11.5
+certifi==2022.12.7
 chardet==3.0.4
 coreapi==2.3.3
 coreschema==0.0.4