diff --git a/setup.py b/setup.py
index fd91b6b..db622fe 100644
--- a/setup.py
+++ b/setup.py
@@ -9,7 +9,7 @@
     url="",
     packages=["xsd_download"],
     install_requires=[
-        "certifi==2016.2.28",
+        "certifi==2022.12.7",
         "Click==7.0",
     ],
 )