diff --git a/flask/docker/Dockerfile b/flask/docker/Dockerfile
index 55da4e2..60926a1 100644
--- a/flask/docker/Dockerfile
+++ b/flask/docker/Dockerfile
@@ -5,8 +5,8 @@ RUN apt-get update && \
     apt-get install -y software-properties-common && \
     add-apt-repository ppa:deadsnakes/ppa && \
     apt-get update && \
-    apt-get install -y git python python-pip && \
-    python -m pip install pip --upgrade && \
+    apt-get install -y git python3.6 python3.6-pip && \
+    python3.6 -m pip install pip --upgrade && \
     git clone https://github.com/michael13162/SBOLExplorer.git && \
     cd SBOLExplorer/flask && \
     pip install -r requirements.txt && \