diff --git a/requirements-dev.txt b/requirements-dev.txt
index 10a217534..bf7d5bc38 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -18,5 +18,5 @@ libcst>=1.2,<2
 
 # Documentation generation
 sphinx>=7.2,<10
-sphinx-rtd-theme>=2.0,<3
+sphinx-rtd-theme>=2.0,<4
 sphinx-autodoc-typehints>=2.0,<4