diff --git a/code/hbase0730/pom.xml b/code/hbase0730/pom.xml
index 364c578..af5fd15 100644
--- a/code/hbase0730/pom.xml
+++ b/code/hbase0730/pom.xml
@@ -22,7 +22,7 @@
     <dependency>
       <groupId>junit</groupId>
       <artifactId>junit</artifactId>
-      <version>4.11</version>
+      <version>4.13.1</version>
       <scope>test</scope>
     </dependency>
     <!-- https://mvnrepository.com/artifact/org.apache.hbase/hbase-client -->
@@ -34,7 +34,7 @@
     <dependency>
       <groupId>junit</groupId>
       <artifactId>junit</artifactId>
-      <version>RELEASE</version>
+      <version>4.13.1</version>
       <scope>compile</scope>
     </dependency>
     <dependency>