diff --git a/requirements.txt b/requirements.txt
index 3cdb5b8..65b6a9e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-certifi==2018.4.16
+certifi==2023.7.22
 chardet==3.0.4
 docopt==0.6.2
 idna==2.6