diff --git a/.github/workflows/github_ci.yml b/.github/workflows/github_ci.yml
index 1164dc4..67961c2 100644
--- a/.github/workflows/github_ci.yml
+++ b/.github/workflows/github_ci.yml
@@ -8,7 +8,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: actions/setup-java@v5
         with:
           java-version: '21'
@@ -19,7 +19,7 @@ jobs:
     needs: build
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: actions/setup-java@v5
         with:
           java-version: '21'
@@ -30,7 +30,7 @@ jobs:
     needs: build
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: actions/setup-java@v5
         with:
           java-version: '21'
@@ -41,7 +41,7 @@ jobs:
     needs: build
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: actions/setup-java@v5
         with:
           java-version: '21'
diff --git a/build.gradle b/build.gradle
index 082c7e5..573ebf9 100644
--- a/build.gradle
+++ b/build.gradle
@@ -2,7 +2,7 @@ plugins {
     id 'java'
 
     id 'checkstyle'
-    id 'com.diffplug.spotless' version '8.0.0'
+    id 'com.diffplug.spotless' version '8.1.0'
 }
 
 
@@ -13,9 +13,9 @@ repositories {
 
 dependencies {
     // https://mvnrepository.com/artifact/org.junit.jupiter/junit-jupiter
-    testImplementation 'org.junit.jupiter:junit-jupiter:6.0.0'
+    testImplementation 'org.junit.jupiter:junit-jupiter:6.0.2'
     // https://mvnrepository.com/artifact/org.junit.platform/junit-platform-launcher
-    testRuntimeOnly 'org.junit.platform:junit-platform-launcher:6.0.0'
+    testRuntimeOnly 'org.junit.platform:junit-platform-launcher:6.0.2'
 
     // https://mvnrepository.com/artifact/org.mockito/mockito-core
     testImplementation 'org.mockito:mockito-core:5.20.0'
diff --git a/gradle/wrapper/gradle-wrapper.jar b/gradle/wrapper/gradle-wrapper.jar
old mode 100755
new mode 100644
index 8bdaf60..61285a6
Binary files a/gradle/wrapper/gradle-wrapper.jar and b/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 2e11132..19a6bde 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-9.1.0-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-9.3.0-bin.zip
 networkTimeout=10000
 validateDistributionUrl=true
 zipStoreBase=GRADLE_USER_HOME