diff --git a/requirements.txt b/requirements.txt
index 93a9887..551f0e4 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ aspy.yaml==1.3.0
 attrs==19.3.0
 backcall==0.1.0
 bleach==3.1.4
-certifi==2019.11.28
+certifi==2022.12.7
 cffi==1.13.2
 cfgv==2.0.1
 cryptography==3.2