diff --git a/pyproject.toml b/pyproject.toml
index 41f27d63e..16e4767f2 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -42,7 +42,7 @@ coverage = "7.4.3"
 mypy = "1.8.0"
 setuptools = ">65.5.1"
 sphinx = "7.2.6"
-sphinx-wagtail-theme = "6.2.0"
+sphinx-wagtail-theme = "6.3.0"
 sphinxcontrib-bibtex = "2.6.2"
 sphinx-autoapi = "3.0.0"
 sympy = "1.12"