diff --git a/requirements-dev.txt b/requirements-dev.txt
index 262808831..3cd66c08d 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,6 +1,6 @@
 ruff
 Sphinx==5.0.2
-sphinx-rtd-theme==1.0.0
+sphinx-rtd-theme==3.1.0
 sphinx-click==4.0.0
 pyinstaller  # version not pinned due to latest used by release procedure
 sphinx-copybutton==0.5.1