diff --git a/pyproject.toml b/pyproject.toml
index 85e312c..511950e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -33,8 +33,8 @@ requires-python = ">=3.8"
 dev = ["pre-commit==2.17.0"]
 docs = [
   "numpydoc==1.3.1",
-  "sphinx==6.1.0",
-  "furo==2022.6.21",
+  "sphinx==7.1.2",
+  "furo==2024.1.29",
   "m2r2==0.3.2",
   "ipython==8.4.0",
   "nbsphinx==0.8.9",