diff --git a/pyproject.toml b/pyproject.toml
index cd4366d01..4bb567708 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -70,7 +70,7 @@ dev = [
 
 docs = [
     "sphinx~=7.4.7",
-    "furo~=2025.9.25",
+    "furo>=2025.9.25,<2025.13.0",
     "requests~=2.32.5",
     "pydantic~=2.12.3",
     "jinja2~=3.1.6",