diff --git a/junit4-and-5-maven-sample/pom.xml b/junit4-and-5-maven-sample/pom.xml
index 9836f15..772c2c4 100644
--- a/junit4-and-5-maven-sample/pom.xml
+++ b/junit4-and-5-maven-sample/pom.xml
@@ -13,7 +13,7 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <maven.compiler.source>17</maven.compiler.source>
         <maven.compiler.target>17</maven.compiler.target>
-        <junit.version>5.9.2</junit.version>
+        <junit.version>5.13.4</junit.version>
         <junit4.version>4.13.2</junit4.version>
     </properties>
 
diff --git a/junit5-assertj-sample/pom.xml b/junit5-assertj-sample/pom.xml
index 2afffb8..194d9d6 100644
--- a/junit5-assertj-sample/pom.xml
+++ b/junit5-assertj-sample/pom.xml
@@ -13,7 +13,7 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <maven.compiler.source>17</maven.compiler.source>
         <maven.compiler.target>17</maven.compiler.target>
-        <junit.version>5.9.2</junit.version>
+        <junit.version>5.13.4</junit.version>
         <assertj-core.version>3.24.2</assertj-core.version>
     </properties>
 
diff --git a/junit5-gradle-sample/build.gradle b/junit5-gradle-sample/build.gradle
index 3e95799..ce93915 100644
--- a/junit5-gradle-sample/build.gradle
+++ b/junit5-gradle-sample/build.gradle
@@ -17,7 +17,7 @@ repositories {
 }
 
 dependencies {
-    testImplementation(platform('org.junit:junit-bom:5.9.2'))
+    testImplementation(platform('org.junit:junit-bom:5.13.4'))
     testImplementation 'org.junit.jupiter:junit-jupiter'
 }
 
diff --git a/junit5-maven-sample/pom.xml b/junit5-maven-sample/pom.xml
index e038329..84da8bc 100644
--- a/junit5-maven-sample/pom.xml
+++ b/junit5-maven-sample/pom.xml
@@ -13,7 +13,7 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <maven.compiler.source>17</maven.compiler.source>
         <maven.compiler.target>17</maven.compiler.target>
-        <junit.version>5.9.2</junit.version>
+        <junit.version>5.13.4</junit.version>
         <assertj-core.version>3.24.2</assertj-core.version>
     </properties>
 
diff --git a/junit5-mockito-sample/pom.xml b/junit5-mockito-sample/pom.xml
index 9f86d76..6b7f1bb 100644
--- a/junit5-mockito-sample/pom.xml
+++ b/junit5-mockito-sample/pom.xml
@@ -13,7 +13,7 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <maven.compiler.source>17</maven.compiler.source>
         <maven.compiler.target>17</maven.compiler.target>
-        <junit.version>5.9.2</junit.version>
+        <junit.version>5.13.4</junit.version>
         <assertj-core.version>3.24.2</assertj-core.version>
         <mockito-core.version>5.2.0</mockito-core.version>
     </properties>