diff --git a/docs/requirements.txt b/docs/requirements.txt
index 0ae76f35..5a208749 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -9,7 +9,7 @@
 alabaster==0.7.12
 attrs==21.4.0; python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4'
 babel==2.9.1; python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'
-certifi==2021.10.8
+certifi==2023.7.22
 charset-normalizer==2.0.12; python_version >= '3'
 docutils==0.17.1; python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4'
 idna==3.3; python_version >= '3'