diff --git a/nemolib-master/pom.xml b/nemolib-master/pom.xml
index 23c5926..45ecd73 100644
--- a/nemolib-master/pom.xml
+++ b/nemolib-master/pom.xml
@@ -24,13 +24,13 @@
     <dependency>
       <groupId>junit</groupId>
       <artifactId>junit</artifactId>
-      <version>3.8.1</version>
+      <version>4.13.1</version>
       <scope>test</scope>
     </dependency>
     <dependency>
       <groupId>junit</groupId>
       <artifactId>junit</artifactId>
-      <version>4.11</version>
+      <version>4.13.1</version>
       <scope>test</scope>
     </dependency>
   </dependencies>