diff --git a/README.md b/README.md
index 2bce3c733b..bdc6d940bd 100644
--- a/README.md
+++ b/README.md
@@ -117,15 +117,15 @@ After successfully building, it will install binary files in the directory `outp
 
 #### Prerequisites
 
-You must be install following softwares:
+You should install the following softwares:
 
 ```
-GCC 5.3.1+, Oracle JDK 1.8+, Python 2.7+, Apache Maven 3.5+, CMake 3.4.3+
+GCC 7.3.0+, Oracle JDK 1.8+, Python 2.7+, Apache Maven 3.5+, CMake 3.4.3+
 ```
 
 After you installed above all, you also must be set them to environment variable PATH and set JAVA_HOME.
 
-If your GCC version is lower than 5.3.1, you can run:
+If your GCC version is lower than 7.3.0, you can run:
 
 ```
 sudo yum install devtoolset-4-toolchain -y
@@ -164,4 +164,3 @@ If you find any bugs, please file a [GitHub issue](https://github.com/apache/inc
 * Deploy and Upgrade - <https://github.com/apache/incubator-doris/wiki/Doris-Deploy-%26-Upgrade>
 * User Manual - <https://github.com/apache/incubator-doris/wiki/Doris-Create%2C-Load-and-Delete>
 * FAQs - <https://github.com/apache/incubator-doris/wiki/Doris-FAQ>
-