diff --git a/requirements.txt b/requirements.txt
index 4a246ac7..166c30da 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 alabaster==0.7.11
 Babel==2.6.0
-certifi==2018.4.16
+certifi==2023.7.22
 chardet==3.0.4
 docutils==0.14
 idna==2.7