diff --git a/pyproject.toml b/pyproject.toml
index 6cf9956..486cc3f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -43,7 +43,7 @@ examples = [
   "langchain-openai>=1.1.14",
   "langgraph>=1.1.6",
   "openai>=2.32.0",
-  "pydantic-ai>=1.83.0",
+  "pydantic-ai>=1.83.0,<2.0.0",
   "python-dotenv>=1.0.1",
 ]
 
diff --git a/uv.lock b/uv.lock
index ceec35e..1b50380 100644
--- a/uv.lock
+++ b/uv.lock
@@ -4815,7 +4815,7 @@ requires-dist = [
     { name = "numpy", specifier = ">=1.24.0" },
     { name = "openai", marker = "extra == 'examples'", specifier = ">=2.32.0" },
     { name = "pydantic", specifier = ">=2.10.6" },
-    { name = "pydantic-ai", marker = "extra == 'examples'", specifier = ">=1.83.0" },
+    { name = "pydantic-ai", marker = "extra == 'examples'", specifier = ">=1.83.0,<2.0.0" },
     { name = "pydantic-ai-slim", marker = "extra == 'pydantic-ai'", specifier = ">=1.83.0,<2.0.0" },
     { name = "python-dotenv", marker = "extra == 'examples'", specifier = ">=1.0.1" },
     { name = "typing-extensions", specifier = ">=4.0.0" },