diff --git a/pyproject.toml b/pyproject.toml
index 87884341..f8ddc3fa 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -61,14 +61,14 @@ dev = [
     "pytest-xdist>=2.2.1",
     "pytest-asyncio>=1.2.0",
     "beautifulsoup4>=4.8.1",
-    "black==25.11.0",
+    "black==25.12.0",
     "blacken-docs==1.20.0",
     "pytest-timeout>=1.4.2",
     "trustme>=0.7",
     "cogapp>=3.3.0",
     # docs
-    "Sphinx==7.4.7",
-    "furo==2025.9.25",
+    "Sphinx==9.1.0",
+    "furo==2025.12.19",
     "sphinx-autobuild",
     "codespell>=2.2.5",
     "sphinx-copybutton",