diff --git a/pyproject.toml b/pyproject.toml
index 00e1d60..689b4f9 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -27,7 +27,7 @@ dev = [
     "langchain-gigachat>=0.3.0",
     "langchain-openai>=0.3.0,<1",
     "langchain-community>=0.3.0,<0.4",
-    "langchain-anthropic>=0.3.0,<1",
+    "langchain-anthropic>=0.3.0,<2",
     "langchain-ollama>=0.3.0,<1",
     "gigachat>=0.1",
     "PyTurboJPEG>=2.0",