diff --git a/tools/docker/Dockerfile.centos7.5 b/tools/docker/Dockerfile.centos7.5
index 446943ac..2d92d8bc 100644
--- a/tools/docker/Dockerfile.centos7.5
+++ b/tools/docker/Dockerfile.centos7.5
@@ -2,8 +2,7 @@ FROM centos:7.5.1804
 
 LABEL maintainer="He Sun <bochang.sh@antfin.com>"
 
-RUN yum update -y && \
-    yum install -y \
+RUN yum install -y \
         astyle \
         autoconf \
         automake \