diff --git a/docker/Dockerfile b/docker/Dockerfile
index c5641ceef59..8b7dd554cad 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -30,6 +30,7 @@ RUN sed -i s/mirror.centos.org/vault.centos.org/g /etc/yum.repos.d/*.repo && \
     sed -i s/mirror.centos.org/vault.centos.org/g /etc/yum.repos.d/*.repo && \
     sed -i s/^#.*baseurl=http/baseurl=http/g /etc/yum.repos.d/*.repo && \
     sed -i s/^mirrorlist=http/#mirrorlist=http/g /etc/yum.repos.d/*.repo && \
+    cat /etc/yum.repos.d/*.repo && \
     yum install -y devtoolset-8 rh-git227 devtoolset-8-libasan-devel flex doxygen java-1.8.0-openjdk-devel rh-python38-python-devel rh-python38-python-wheel rh-python38-python-requests rh-python38-python-pip && \
     curl -Lo lcov-1.15-1.noarch.rpm https://github.com/linux-test-project/lcov/releases/download/v1.15/lcov-1.15-1.noarch.rpm && \
     yum localinstall -y lcov-1.15-1.noarch.rpm && \