diff --git a/scripts/docker-coredeps/deps/build_python.sh b/scripts/docker-coredeps/deps/build_python.sh
index b67240651..da1230f52 100755
--- a/scripts/docker-coredeps/deps/build_python.sh
+++ b/scripts/docker-coredeps/deps/build_python.sh
@@ -2,13 +2,13 @@
 
 set -x -e
 
-# we use the python3.5 environment as the base environment 
-/opt/python/cp35-cp35m/bin/pip install tox devpi-client auditwheel 
+# we use the python3.6 environment as the base environment
+/opt/python/cp36-cp36m/bin/pip install tox devpi-client auditwheel
 
 pushd /usr/bin
 
-ln -s /opt/_internal/cpython-3.5.*/bin/tox
-ln -s /opt/_internal/cpython-3.5.*/bin/devpi
-ln -s /opt/_internal/cpython-3.5.*/bin/auditwheel
+ln -s /opt/_internal/cpython-3.6.*/bin/tox
+ln -s /opt/_internal/cpython-3.6.*/bin/devpi
+ln -s /opt/_internal/cpython-3.6.*/bin/auditwheel
 
 popd