diff --git a/.github/dependabot.yml b/.github/dependabot.yml
index 821ccec6..1ab93696 100644
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -4,8 +4,8 @@ updates:
     target-branch: "develop"
     directory: "/"
     schedule:
-      interval: daily
-      time: "04:00"
+      interval: "weekly"
+      day: "saturday"
     open-pull-requests-limit: 10
   - package-ecosystem: "github-actions"
     target-branch: "develop"
diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index 6ba164f3..6b3e6d20 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -35,7 +35,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
 
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL
diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index 19d285ec..245aead3 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -14,7 +14,7 @@ jobs:
 
     steps:
       - name: Checkout source code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           submodules: true
           fetch-depth: 0
@@ -56,7 +56,7 @@ jobs:
 
     steps:
       - name: Checkout pages
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           ref: 'gh-pages'
 
diff --git a/.github/workflows/java-ea-maven.yml b/.github/workflows/java-ea-maven.yml
index 3d86d3ae..7906c032 100644
--- a/.github/workflows/java-ea-maven.yml
+++ b/.github/workflows/java-ea-maven.yml
@@ -11,7 +11,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        java: [ '-ea' ]
+        java: [ 20 ]
         os: [ ubuntu-latest ]
 
     name: JDK${{ matrix.java }} on ${{ matrix.os }}
@@ -19,7 +19,7 @@ jobs:
 
     steps:
       - name: Checkout source code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           submodules: true
           fetch-depth: 0
@@ -32,6 +32,6 @@ jobs:
           cache: 'maven'
 
       - name: Build and (headless) test with Maven
-        uses: GabrielBB/xvfb-action@v1
+        uses: smithki/xvfb-action@v1.1.2
         with:
           run: mvn -U -B -ntp package
diff --git a/.github/workflows/java8-maven.yml b/.github/workflows/java8-maven.yml
index d7cb190d..02f85f5a 100644
--- a/.github/workflows/java8-maven.yml
+++ b/.github/workflows/java8-maven.yml
@@ -4,7 +4,7 @@ on: [ push, pull_request ]
 
 jobs:
   build-and-test-job:
-    if: github.event_name != 'pull_request' || github.event.pull_request.head.repo.full_name != github.event.pull_request.base.repo.full_name
+    if: github.event_name == 'pull_request' || startsWith(github.ref, 'refs/heads/develop') || startsWith(github.ref, 'refs/tags/v')
     strategy:
       fail-fast: false
       matrix:
@@ -18,7 +18,7 @@ jobs:
 
     steps:
       - name: Checkout source code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           submodules: true
           fetch-depth: 0
@@ -35,6 +35,21 @@ jobs:
         with:
           run: mvn -U -B -ntp package
 
+  auto-merge-job:
+    needs: build-and-test-job
+    if: startsWith(github.repository, 'nbbrd/') && github.event_name == 'pull_request' && github.actor == 'dependabot[bot]'
+    permissions:
+      contents: write
+      pull-requests: write
+    name: Auto-merge on dependabot PR
+    runs-on: ubuntu-latest
+    steps:
+      - name: Merge PR
+        run: gh pr merge --auto --rebase "$PR_URL"
+        env:
+          PR_URL: ${{github.event.pull_request.html_url}}
+          GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}
+
   snapshot-job:
     needs: build-and-test-job
     if: startsWith(github.repository, 'nbbrd/') && startsWith(github.ref, 'refs/heads/develop')
@@ -48,7 +63,7 @@ jobs:
 
     steps:
       - name: Checkout source code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           submodules: true
           fetch-depth: 0
@@ -98,7 +113,7 @@ jobs:
 
     steps:
       - name: Checkout source code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           submodules: true
           fetch-depth: 0
diff --git a/.github/workflows/qodana.yml b/.github/workflows/qodana.yml
index bf507758..92ffd0a1 100644
--- a/.github/workflows/qodana.yml
+++ b/.github/workflows/qodana.yml
@@ -11,11 +11,11 @@ jobs:
   qodana:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 0
       - name: 'Qodana Scan'
-        uses: JetBrains/qodana-action@v2023.1.0
+        uses: JetBrains/qodana-action@v2023.2.6
       - name: Deploy to GitHub Pages
         uses: peaceiris/actions-gh-pages@v3
         with:
diff --git a/README.md b/README.md
index 911a0e01..ca9ea457 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,5 @@
 # sandbox
-...1234...
+...123456...
 
 Documentation at https://nbbrd.github.io/sandbox/docs/develop/
 
diff --git a/pom.xml b/pom.xml
index bceadc54..db0159d7 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
 
     <groupId>com.github.nbbrd.sandbox</groupId>
     <artifactId>sandbox-parent</artifactId>
-    <version>2.3.1</version>
+    <version>2.3.2</version>
     <packaging>pom</packaging>
 
     <name>sandbox</name>
@@ -90,6 +90,11 @@
                     <artifactId>heylogs-maven-plugin</artifactId>
                     <version>0.6.0</version>
                 </plugin>
+                <plugin>
+                    <groupId>de.thetaphi</groupId>
+                    <artifactId>forbiddenapis</artifactId>
+                    <version>3.5.1</version>
+                </plugin>
             </plugins>
         </pluginManagement>
         <plugins>
@@ -102,6 +107,32 @@
                         <goals>
                             <goal>check</goal>
                         </goals>
+                        <inherited>false</inherited>
+                        <configuration>
+                            <semver>true</semver>
+                        </configuration>
+                    </execution>
+                </executions>
+            </plugin>
+            <plugin>
+                <groupId>de.thetaphi</groupId>
+                <artifactId>forbiddenapis</artifactId>
+                <configuration>
+                    <failOnUnsupportedJava>false</failOnUnsupportedJava>
+                    <bundledSignatures>
+                        <bundledSignature>jdk-unsafe</bundledSignature>
+                        <bundledSignature>jdk-deprecated</bundledSignature>
+                        <bundledSignature>jdk-internal</bundledSignature>
+                        <bundledSignature>jdk-non-portable</bundledSignature>
+                        <bundledSignature>jdk-reflection</bundledSignature>
+                    </bundledSignatures>
+                </configuration>
+                <executions>
+                    <execution>
+                        <goals>
+                            <goal>check</goal>
+                            <goal>testCheck</goal>
+                        </goals>
                     </execution>
                 </executions>
             </plugin>
@@ -272,7 +303,7 @@
                     <plugin>
                         <groupId>org.apache.maven.plugins</groupId>
                         <artifactId>maven-enforcer-plugin</artifactId>
-                        <version>3.3.0</version>
+                        <version>3.4.1</version>
                         <dependencies>
                             <dependency>
                                 <groupId>org.kordamp.maven</groupId>
@@ -357,7 +388,7 @@
                     <plugin>
                         <groupId>com.github.siom79.japicmp</groupId>
                         <artifactId>japicmp-maven-plugin</artifactId>
-                        <version>0.17.2</version>
+                        <version>0.17.3</version>
                         <configuration>
                             <parameter>
                                 <breakBuildBasedOnSemanticVersioning>true</breakBuildBasedOnSemanticVersioning>
@@ -405,7 +436,7 @@
                     <plugin>
                         <groupId>org.apache.maven.plugins</groupId>
                         <artifactId>maven-javadoc-plugin</artifactId>
-                        <version>3.5.0</version>
+                        <version>3.6.0</version>
                         <executions>
                             <execution>
                                 <id>attach-javadocs</id>
diff --git a/sandbox-api/pom.xml b/sandbox-api/pom.xml
index 95144dd3..d466e8ab 100644
--- a/sandbox-api/pom.xml
+++ b/sandbox-api/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>sandbox-parent</artifactId>
         <groupId>com.github.nbbrd.sandbox</groupId>
-        <version>2.3.1</version>
+        <version>2.3.2</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/sandbox-bom/pom.xml b/sandbox-bom/pom.xml
index 41f54195..143ba169 100644
--- a/sandbox-bom/pom.xml
+++ b/sandbox-bom/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <artifactId>sandbox-parent</artifactId>
         <groupId>com.github.nbbrd.sandbox</groupId>
-        <version>2.3.1</version>
+        <version>2.3.2</version>
     </parent>
 
     <artifactId>sandbox-bom</artifactId>
@@ -147,7 +147,7 @@
                     <plugin>
                         <groupId>org.jreleaser</groupId>
                         <artifactId>jreleaser-maven-plugin</artifactId>
-                        <version>1.7.0</version>
+                        <version>1.8.0</version>
                         <executions>
                             <execution>
                                 <id>release-assets</id>
diff --git a/sandbox-cli/pom.xml b/sandbox-cli/pom.xml
index 329940f3..32391598 100644
--- a/sandbox-cli/pom.xml
+++ b/sandbox-cli/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>sandbox-parent</artifactId>
         <groupId>com.github.nbbrd.sandbox</groupId>
-        <version>2.3.1</version>
+        <version>2.3.2</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
@@ -19,17 +19,17 @@
         <dependency>
             <groupId>com.github.nbbrd.sandbox</groupId>
             <artifactId>sandbox-api</artifactId>
-            <version>2.3.1</version>
+            <version>2.3.2</version>
         </dependency>
         <dependency>
             <groupId>com.github.nbbrd.sandbox</groupId>
             <artifactId>sandbox-impl</artifactId>
-            <version>2.3.1</version>
+            <version>2.3.2</version>
         </dependency>
         <dependency>
             <groupId>info.picocli</groupId>
             <artifactId>picocli</artifactId>
-            <version>4.7.4</version>
+            <version>4.7.5</version>
         </dependency>
     </dependencies>
 
diff --git a/sandbox-desktop/pom.xml b/sandbox-desktop/pom.xml
index 6087a51c..d14fcd06 100644
--- a/sandbox-desktop/pom.xml
+++ b/sandbox-desktop/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <artifactId>sandbox-parent</artifactId>
         <groupId>com.github.nbbrd.sandbox</groupId>
-        <version>2.3.1</version>
+        <version>2.3.2</version>
     </parent>
 
     <artifactId>sandbox-desktop</artifactId>
@@ -20,12 +20,12 @@
         <dependency>
             <groupId>com.github.nbbrd.sandbox</groupId>
             <artifactId>sandbox-api</artifactId>
-            <version>2.3.1</version>
+            <version>2.3.2</version>
         </dependency>
         <dependency>
             <groupId>com.github.nbbrd.sandbox</groupId>
             <artifactId>sandbox-impl</artifactId>
-            <version>2.3.1</version>
+            <version>2.3.2</version>
         </dependency>
         <dependency>
             <groupId>com.github.nbbrd.java-desktop-util</groupId>
diff --git a/sandbox-impl/pom.xml b/sandbox-impl/pom.xml
index 08da7387..08c8b904 100644
--- a/sandbox-impl/pom.xml
+++ b/sandbox-impl/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>sandbox-parent</artifactId>
         <groupId>com.github.nbbrd.sandbox</groupId>
-        <version>2.3.1</version>
+        <version>2.3.2</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
@@ -19,7 +19,7 @@
         <dependency>
             <groupId>com.github.nbbrd.sandbox</groupId>
             <artifactId>sandbox-api</artifactId>
-            <version>2.3.1</version>
+            <version>2.3.2</version>
         </dependency>
         <dependency>
             <groupId>com.github.lalyos</groupId>