diff --git a/pyproject.toml b/pyproject.toml
index 7cda146..ca9eb2e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -18,7 +18,7 @@ huggingface-hub = "*"
 transformers = "*"
 
 # Vector DB: Weaviate
-weaviate-client = "<4.0.0"
+weaviate-client = "<3.25.4"
 
 # Embeddings
 openai = "*"  # OpenAIEmbeddings용