diff --git a/tests/travis/Dockerfile.check_spec b/tests/travis/Dockerfile.check_spec
index 3bc4993113..445a9d8ff3 100644
--- a/tests/travis/Dockerfile.check_spec
+++ b/tests/travis/Dockerfile.check_spec
@@ -2,7 +2,7 @@ FROM centos:7
 
 ARG TRAVIS_COMMIT_RANGE
 ENV TRAVIS_COMMIT_RANGE=$TRAVIS_COMMIT_RANGE
-ENV PYTHON_BINARY=python36
+ENV PYTHON_BINARY=python3
 
 RUN yum install -y https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm
 RUN yum install -y git ${PYTHON_BINARY}