diff --git a/centos-7/Dockerfile b/centos-7/Dockerfile
index 702d6d43d100bda9c59355f8ba918f204fe4fb92..c33323cf5749d2d2d0d80dc12fe584c0938d4660 100644
--- a/centos-7/Dockerfile
+++ b/centos-7/Dockerfile
@@ -193,7 +193,7 @@ RUN version=3.4.8 && \
     ninja -C build install
 
 # MXNet
-ENV MXNet_DIR /opt/mxnet-3.5.1
+ENV MXNet_DIR /opt/mxnet-1.5.1
 RUN version=1.5.1 && \
     source /etc/profile && \
     cd /opt && \