diff --git a/src/promptflow-devkit/promptflow/_sdk/data/docker/Dockerfile.jinja2 b/src/promptflow-devkit/promptflow/_sdk/data/docker/Dockerfile.jinja2
index b4bd747db85..cf7dfc791e9 100644
--- a/src/promptflow-devkit/promptflow/_sdk/data/docker/Dockerfile.jinja2
+++ b/src/promptflow-devkit/promptflow/_sdk/data/docker/Dockerfile.jinja2
@@ -38,7 +38,7 @@ RUN conda create -n {{env.conda_env_name}} python=3.9.16 pip=23.0.1 -q -y && \
     promptflow-tools && \
 {% endif %}
     conda run -n {{env.conda_env_name}} pip install keyrings.alt && \
-    conda run -n {{env.conda_env_name}} pip install gunicorn==20.1.0 && \
+    conda run -n {{env.conda_env_name}} pip install gunicorn==22.0.0 && \
     conda run -n {{env.conda_env_name}} pip install 'uvicorn>=0.27.0,<1.0.0' && \
     conda run -n {{env.conda_env_name}} pip cache purge && \
     conda clean -a -y
diff --git a/src/promptflow/tests/test_configs/flows/export/flex_flow_build/Dockerfile b/src/promptflow/tests/test_configs/flows/export/flex_flow_build/Dockerfile
index 5cb9b85df42..f3183f6ec94 100644
--- a/src/promptflow/tests/test_configs/flows/export/flex_flow_build/Dockerfile
+++ b/src/promptflow/tests/test_configs/flows/export/flex_flow_build/Dockerfile
@@ -14,7 +14,7 @@ RUN conda create -n promptflow-serve python=3.9.16 pip=23.0.1 -q -y && \
     pip install -r /flow/requirements.txt && \
     conda run -n promptflow-serve pip install promptflow && \
     conda run -n promptflow-serve pip install keyrings.alt && \
-    conda run -n promptflow-serve pip install gunicorn==20.1.0 && \
+    conda run -n promptflow-serve pip install gunicorn==22.0.0 && \
     conda run -n promptflow-serve pip install 'uvicorn>=0.27.0,<1.0.0' && \
     conda run -n promptflow-serve pip cache purge && \
     conda clean -a -y
diff --git a/src/promptflow/tests/test_configs/flows/export/linux/Dockerfile b/src/promptflow/tests/test_configs/flows/export/linux/Dockerfile
index 85df18523a1..d92f01e6d22 100644
--- a/src/promptflow/tests/test_configs/flows/export/linux/Dockerfile
+++ b/src/promptflow/tests/test_configs/flows/export/linux/Dockerfile
@@ -14,7 +14,7 @@ RUN conda create -n promptflow-serve python=3.9.16 pip=23.0.1 -q -y && \
     pip install -r /flow/requirements_txt && \
     conda run -n promptflow-serve pip install promptflow && \
     conda run -n promptflow-serve pip install keyrings.alt && \
-    conda run -n promptflow-serve pip install gunicorn==20.1.0 && \
+    conda run -n promptflow-serve pip install gunicorn==22.0.0 && \
     conda run -n promptflow-serve pip install 'uvicorn>=0.27.0,<1.0.0' && \
     conda run -n promptflow-serve pip cache purge && \
     conda clean -a -y