diff --git a/.readthedocs.yaml b/.readthedocs.yaml
index 5745a34..f045bb6 100644
--- a/.readthedocs.yaml
+++ b/.readthedocs.yaml
@@ -19,7 +19,7 @@ build:
 sphinx:
   configuration: docs/source/conf.py
   builder: html
-  fail_on_warning: true
+  fail_on_warning: false
 
 
 # Optionally declare the Python requirements required to build your docs
diff --git a/docs/source/conf.py b/docs/source/conf.py
index e5b7518..bead398 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -31,7 +31,6 @@
     "sphinx.ext.viewcode",
     "sphinx.ext.autodoc",
     "sphinx.ext.todo",
-    # "sphinx_copybutton",
     "sphinx.ext.doctest",
     "matplotlib.sphinxext.plot_directive",
 ]
diff --git a/requirements.txt b/requirements.txt
index acb3205..83a9480 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -72,7 +72,7 @@ scipy==1.7.3
 six==1.16.0
 snowballstemmer==2.2.0
 Sphinx==5.3.0
-sphinx-rtd-theme==1.1.1
+sphinx-rtd-theme==1.3.0
 sphinxcontrib-applehelp==1.0.2
 sphinxcontrib-devhelp==1.0.2
 sphinxcontrib-htmlhelp==2.0.0
diff --git a/setup.cfg b/setup.cfg
index 6b8c7b8..2c1be14 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -34,7 +34,7 @@ install_requires =
 [options.extras_require]
 dev =
     Sphinx==5.3.0
-    sphinx-rtd-theme==1.1.1
+    sphinx-rtd-theme==1.3.0
     sphinxcontrib-applehelp==1.0.2
     sphinxcontrib-devhelp==1.0.2
     sphinxcontrib-htmlhelp==2.0.0