diff --git a/requirements.txt b/requirements.txt
index 0f452c8153..a247f4426f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
 docutils==0.20.1
 sphinx==8.1.3
-sphinxcontrib-phpdomain==0.13.0
+sphinxcontrib-phpdomain==0.13.1
 cakephpsphinx>=0.1.58,<1.0