diff --git a/src/pyodide/internal/sphinx/requirements-doc.txt b/src/pyodide/internal/sphinx/requirements-doc.txt
index ded6707a07f..ef034e6f6ec 100644
--- a/src/pyodide/internal/sphinx/requirements-doc.txt
+++ b/src/pyodide/internal/sphinx/requirements-doc.txt
@@ -3,7 +3,7 @@ babel==2.16.0
 certifi==2024.12.14
 charset-normalizer==3.4.1
 docutils==0.21.2
-idna==3.10
+idna==3.15
 imagesize==1.4.1
 Jinja2==3.1.6
 markdown-it-py==3.0.0