diff --git a/setup.py b/setup.py
index 777cdd7..c4c4c05 100644
--- a/setup.py
+++ b/setup.py
@@ -45,7 +45,8 @@
     extras_require={
         "docs": [
             "sphinx>=7.1.2,<7.2",
-            "sphinx-rtd-theme>=1.2.2,<1.3",
+            # "sphinx-rtd-theme>=1.2.2,<1.3",
+            "sphinx-rtd-theme==1.3.0rc1",
             "myst-parser>=2.0.0,<2.1",
             "watchdog>=3.0.0,<3.1",
         ],