diff --git a/pyproject.toml b/pyproject.toml
index fcdf839..b31f884 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -6,5 +6,5 @@ readme = "README.md"
 requires-python = ">=3.11"
 dependencies = [
     "sphinx>=8.2.3",
-    "sphinx-rtd-theme>=3.0.2",
+    "sphinx-rtd-theme>=3.1.0",
 ]