diff --git a/ci/requirements-docs.txt b/ci/requirements-docs.txt
index c548ef0..ba91028 100644
--- a/ci/requirements-docs.txt
+++ b/ci/requirements-docs.txt
@@ -14,7 +14,7 @@ charset-normalizer==3.3.2
     # via requests
 docutils==0.14
     # via sphinx
-idna==3.7
+idna==3.15
     # via requests
 imagesize==1.1.0
     # via sphinx