diff --git a/pyproject.toml b/pyproject.toml
index f6e21873..a419cb45 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -63,7 +63,7 @@ dynamic = ["version"]
 
 [project.optional-dependencies]
 dev = ["pytest==8.3.3", "pytest-cov==5.0.0", "black==24.8.0", "flake8==7.1.1"]
-docs = ["sphinx==7.4.7", "sphinx-rtd-theme==2.0.0"]
+docs = ["sphinx==7.4.7", "sphinx-rtd-theme==3.0.1"]
 plugins = ["pyqt5~=5.15", "toml==0.10.2"]
 
 [project.urls]