diff --git a/rtd_requirements.txt b/rtd_requirements.txt
index 25c02524..e224aab7 100644
--- a/rtd_requirements.txt
+++ b/rtd_requirements.txt
@@ -15,7 +15,7 @@ pyyaml < 6.1.0
 saio < 0.3.0
 scikit-learn < 1.6
 sphinx < 9.2.0
-sphinx_rtd_theme >= 0.5.2, < 3.1.0
+sphinx_rtd_theme >= 0.5.2, < 3.2.0
 sphinx-autodoc-typehints < 3.7.0
 sphinx-autoapi < 3.7.0
 sshtunnel < 0.5.0
diff --git a/setup.py b/setup.py
index a3afb68b..f064d228 100644
--- a/setup.py
+++ b/setup.py
@@ -75,7 +75,7 @@ def read(fname):
     "pytest-notebook < 0.11.0",
     "pyupgrade < 3.22.0",
     "sphinx < 9.2.0",
-    "sphinx_rtd_theme >=0.5.2, < 3.1.0",
+    "sphinx_rtd_theme >= 0.5.2, < 3.2.0",
     "sphinx-autodoc-typehints < 3.7.0",
     "sphinx-autoapi < 3.7.0",
     "astroid == 4.0.3",