diff --git a/demos/python/flask/install_python_with_conda.sh b/demos/python/flask/install_python_with_conda.sh
index 3b8519aa..14ff8dda 100755
--- a/demos/python/flask/install_python_with_conda.sh
+++ b/demos/python/flask/install_python_with_conda.sh
@@ -8,7 +8,7 @@ script_dir="$( cd "$( dirname "${BASH_SOURCE[0]}"  )" >/dev/null 2>&1 && pwd )"
 # 2. Install python and dependencies to specified position
 [ -f Miniconda3-latest-Linux-x86_64.sh ] || wget https://repo.anaconda.com/miniconda/Miniconda3-latest-Linux-x86_64.sh
 [ -d miniconda ] || bash ./Miniconda3-latest-Linux-x86_64.sh -b -p $script_dir/miniconda
-$script_dir/miniconda/bin/conda create --prefix $script_dir/python-occlum -y python=3.9.11 flask=2.2.2 flask-restful=0.3.9 jinja2=3.1.2  werkzeug
+$script_dir/miniconda/bin/conda create --prefix $script_dir/python-occlum -y python=3.9.11 flask=2.2.2 flask-restful=0.3.9 jinja2=3.1.2  werkzeug=2.3
 
 # 3. Remove miniconda and installation scripts
 rm -rf ./Miniconda3-latest-Linux-x86_64.sh $script_dir/miniconda