diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index e593f0609..8e5f9a77f 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -21,10 +21,10 @@ jobs:
       with:
         access_token: ${{ github.token }}
     - uses: actions/checkout@v3
-    - name: Set up Python 3.9
+    - name: Set up Python 3.10
       uses: actions/setup-python@v4
       with:
-        python-version: 3.9
+        python-version: "3.10"
     - name: Upgrade pip
       run: |
         python -m pip install --upgrade pip setuptools wheel
diff --git a/agentverse/llms/openai.py b/agentverse/llms/openai.py
index 3f96d3f3e..fb2438e10 100644
--- a/agentverse/llms/openai.py
+++ b/agentverse/llms/openai.py
@@ -124,6 +124,7 @@ def send_token_limit(cls, model: str) -> int:
             "gpt-35-turbo": 8192,
             "gpt-4": 8192,
             "llama-2-7b-chat-hf": 4096,
+            "gpt-3.5-turbo-16k": 16384,
         }
         return send_token_limit_dict[model]
 
diff --git a/requirements.txt b/requirements.txt
index 133f6f8e0..adaa4834c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -18,4 +18,4 @@ rapidfuzz
 spacy
 colorama==0.4.6
 fschat[model_worker,webui]
-tiktoken==0.3.3
+tiktoken==0.5.1