diff --git a/pyproject.toml b/pyproject.toml
index 2f9a814..afb4779 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -59,7 +59,7 @@ docs = [
 rag = [
     "langchain-community>=0.3.0,<1.0.0",
     "langchain-openai>=0.2.0,<1.0.0",
-    "langchain-anthropic>=0.2.0,<1.0.0",
+    "langchain-anthropic>=0.2.0,<2.0.0",
     "sentence-transformers>=3.0.0,<4.0.0",
     "faiss-cpu>=1.9.0,<2.0.0",
     "pypdf>=5.0.0,<6.0.0",
diff --git a/requirements.txt b/requirements.txt
index 950483b..1f6da2f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@ anthropic>=0.39.0,<1.0.0
 langchain>=0.3.0,<1.0.0
 langchain-community>=0.3.0,<1.0.0
 langchain-openai>=0.2.0,<1.0.0
-langchain-anthropic>=0.2.0,<1.0.0
+langchain-anthropic>=0.2.0,<2.0.0
 
 # Vector Databases and Embeddings
 chromadb>=0.5.0,<1.0.0