diff --git a/docsrc/requirements.txt b/docsrc/requirements.txt
index dab372a..6f7699f 100644
--- a/docsrc/requirements.txt
+++ b/docsrc/requirements.txt
@@ -1,7 +1,7 @@
 alabaster==0.7.12
 Babel==2.7.0
 breathe==4.14.0
-certifi==2019.11.28
+certifi==2022.12.7
 chardet==3.0.4
 docutils==0.15.2
 idna==2.8