diff --git a/Chapter03/mvn_support_for_jigsaw/pom.xml b/Chapter03/mvn_support_for_jigsaw/pom.xml
index 535232e..76aa664 100644
--- a/Chapter03/mvn_support_for_jigsaw/pom.xml
+++ b/Chapter03/mvn_support_for_jigsaw/pom.xml
@@ -60,7 +60,7 @@
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>4.12</version>
+            <version>4.13.1</version>
             <scope>test</scope>
         </dependency>
     </dependencies>
diff --git a/Chapter03/mvn_support_for_jigsaw/simple-module/pom.xml b/Chapter03/mvn_support_for_jigsaw/simple-module/pom.xml
index 8da34e6..41611d5 100644
--- a/Chapter03/mvn_support_for_jigsaw/simple-module/pom.xml
+++ b/Chapter03/mvn_support_for_jigsaw/simple-module/pom.xml
@@ -33,7 +33,7 @@
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>4.12</version>
+            <version>4.13.1</version>
             <scope>test</scope>
         </dependency>
     </dependencies>
diff --git a/Chapter03/mvn_support_for_jigsaw/simple-util/pom.xml b/Chapter03/mvn_support_for_jigsaw/simple-util/pom.xml
index d28ef9c..5384487 100644
--- a/Chapter03/mvn_support_for_jigsaw/simple-util/pom.xml
+++ b/Chapter03/mvn_support_for_jigsaw/simple-util/pom.xml
@@ -23,7 +23,7 @@
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>4.12</version>
+            <version>4.13.1</version>
             <scope>test</scope>
         </dependency>
     </dependencies>