diff --git a/docker/rockylinux9/Dockerfile b/docker/rockylinux9/Dockerfile
index 82c7094e7..8aa2eb3d9 100644
--- a/docker/rockylinux9/Dockerfile
+++ b/docker/rockylinux9/Dockerfile
@@ -3,7 +3,7 @@ FROM mipsdkcontainer.azurecr.io/rockylinux9
 ## Common packages for linux build environment
 RUN yum install -y yum-utils && \
 yum-config-manager --enable crb && \
-yum update -y && \
+yum clean all && \
 yum -y group install "Development Tools" && \
 yum install -y libcurl-devel zlib-devel clang python pkg-config git bzip2 unzip make wget sudo cmake && \
 yum -y install epel-release && \