diff --git a/requirements.txt b/requirements.txt
index 89ab880..ba23f7b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 ascii-graph==1.5.1
 astroid==2.3.3
 autopep8==1.5
-certifi==2018.8.24
+certifi==2022.12.7
 chardet==3.0.4
 coverage==5.0.3
 dnspython==1.16.0