diff --git a/Dockerfile b/Dockerfile
index 2bf2662..46d6aba 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -8,7 +8,7 @@ ENV SEAF=/opt/seafile
 
 COPY requirements.txt /tmp/requirements.txt
 
-RUN apt update && apt install locales -y && apt install -y --no-install-recommends procps openssl python2.7 sqlite3 python-mysqldb python-pil curl libjansson4 libfuse2 python-pip python-pip-whl python-setuptools \
+RUN apt update && apt install locales -y && apt install -y --no-install-recommends procps openssl python2.7 python3 sqlite3 python-mysqldb python-pil curl libjansson4 libfuse2 python-pip python-pip-whl python-setuptools \
     && pip install -r /tmp/requirements.txt && apt remove -y python-pip \
     && rm -rf /var/lib/apt/lists/* /tmp/requirements.txt