diff --git a/tools/dockerfile/distribtest/python_fedora20_x64/Dockerfile b/tools/dockerfile/distribtest/python_fedora20_x64/Dockerfile
index 502c81c7cb0..5e6cb157629 100644
--- a/tools/dockerfile/distribtest/python_fedora20_x64/Dockerfile
+++ b/tools/dockerfile/distribtest/python_fedora20_x64/Dockerfile
@@ -34,4 +34,4 @@ RUN yum clean all && yum update -y && yum install -y python python-pip
 # Upgrading six would fail because of docker issue when using overlay.
 # Trying twice makes it work fine.
 # https://github.com/docker/docker/issues/10180
-RUN pip2 install --upgrade six || pip2 install --upgrade six
+RUN pip install --upgrade six || pip install --upgrade six