diff --git a/requirements.txt b/requirements.txt
index 75c9abedaf1..5102a704d0a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@
 # https://github.com/readthedocs/readthedocs.org/blob/master/requirements/pip.txt
 # https://github.com/readthedocs/readthedocs.org/blob/master/requirements/local-docs-build.txt
 sphinx==3.5.2
-sphinx_rtd_theme==0.5.2
+sphinx_rtd_theme==1.1.0
 
 # Code tabs extension for GDScript/C#
 # Stay on 1.3.0 until https://github.com/readthedocs/readthedocs-sphinx-search/issues/82 is fixed.