diff --git a/api/pyproject.toml b/api/pyproject.toml
index f497274da1..2243eb29e2 100644
--- a/api/pyproject.toml
+++ b/api/pyproject.toml
@@ -199,6 +199,6 @@ vdb = [
     "tidb-vector==0.0.9",
     "upstash-vector==0.6.0",
     "volcengine-compat~=1.0.0",
-    "weaviate-client~=3.24.0",
+    "weaviate-client~=3.21.0",
     "xinference-client~=1.2.2",
 ]
diff --git a/api/uv.lock b/api/uv.lock
index 1f1ba66de7..419279f425 100644
--- a/api/uv.lock
+++ b/api/uv.lock
@@ -6383,16 +6383,17 @@ wheels = [
 
 [[package]]
 name = "weaviate-client"
-version = "3.24.2"
+version = "3.21.0"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "authlib" },
     { name = "requests" },
+    { name = "tqdm" },
     { name = "validators" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/1f/c1/3285a21d8885f2b09aabb65edb9a8e062a35c2d7175e1bb024fa096582ab/weaviate-client-3.24.2.tar.gz", hash = "sha256:6914c48c9a7e5ad0be9399271f9cb85d6f59ab77476c6d4e56a3925bf149edaa", size = 199332 }
+sdist = { url = "https://files.pythonhosted.org/packages/b4/a5/c6777a8507249d7a63f4f5d9696eb5f45beac87db0eddfa4438d408cc3b4/weaviate-client-3.21.0.tar.gz", hash = "sha256:ec94ac554883c765e94da8b2947c4f0fa4a0378ed3bbe9f3653df3a5b1745a6d", size = 186970 }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/ab/98/3136d05f93e30cf29e1db280eaadf766df18d812dfe7994bcced653b2340/weaviate_client-3.24.2-py3-none-any.whl", hash = "sha256:bc50ca5fcebcd48de0d00f66700b0cf7c31a97c4cd3d29b4036d77c5d1d9479b", size = 107968 },
+    { url = "https://files.pythonhosted.org/packages/df/5b/57b55ad36eb071b57e79f1ea7fba5bfe6a2fe49702607f56726569665d60/weaviate_client-3.21.0-py3-none-any.whl", hash = "sha256:420444ded7106fb000f4f8b2321b5f5fa2387825aa7a303d702accf61026f9d2", size = 99944 },
 ]
 
 [[package]]