diff --git a/pyproject.toml b/pyproject.toml
index b3f7abb9c..ba54e6b00 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -62,7 +62,7 @@ docs = [
     "mkdocs >= 1.6.1",
     "mkdocs-material >= 9.6.18",
     "mkdocstrings >= 0.30.0",
-    "mkdocstrings-python >= 1.17.0",
+    "mkdocstrings-python >= 1.17.0, <2.0",
     "mkdocs-exclude >= 1.0.2",
     "mike >= 2.1.3",
     "pymdown-extensions >= 10.16.1",