diff --git a/Dockerfile b/Dockerfile
index 28d3cc5..3a1c702 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -9,7 +9,7 @@ RUN yum-builddep -y python; yum -y install make postgresql-devel gcc \
  libtiff-devel libjpeg-devel libzip-devel freetype-devel lcms2-devel libwebp-devel tcl-devel tk-devel \
  libxslt-devel libxml2-devel python-devel; yum clean all
 
-ENV PYTHON_VERSION="3.5.6"
+ENV PYTHON_VERSION="3.6.3"
 # Downloading and building python
 RUN mkdir /tmp/python-build && cd /tmp/python-build && \
   curl https://www.python.org/ftp/python/$PYTHON_VERSION/Python-$PYTHON_VERSION.tgz > python.tgz && \
@@ -40,4 +40,4 @@ RUN echo "source /srv/virtenv/bin/activate" >> "/home/app/.bashrc" \
 
 CMD ["/bin/bash"]
 
-VOLUME ["$APPLICATION_DIR"]
+VOLUME ["$APPLICATION_DIR"]
\ No newline at end of file