diff --git a/requirements/common.txt b/requirements/common.txt
index 1a8fea0dd7..e7bc5682a6 100644
--- a/requirements/common.txt
+++ b/requirements/common.txt
@@ -12,7 +12,7 @@ tokenizers >= 0.21.1  # Required for fast incremental detokenization.
 protobuf # Required by LlamaTokenizer.
 fastapi[standard] >= 0.115.0 # Required by FastAPI's form models in the OpenAI API server's audio transcriptions endpoint.
 aiohttp
-openai >= 1.99.1  # For Responses API with reasoning content
+openai >= 1.99.1, < 1.100.0  # For Responses API with reasoning content
 pydantic >= 2.10
 prometheus_client >= 0.18.0
 pillow  # Required for image processing
diff --git a/requirements/docs.txt b/requirements/docs.txt
index a24b9c7e92..87a44fc99d 100644
--- a/requirements/docs.txt
+++ b/requirements/docs.txt
@@ -18,7 +18,7 @@ cbor2
 cloudpickle
 fastapi
 msgspec
-openai
+openai < 1.100.0
 openai-harmony
 partial-json-parser
 pillow