diff --git a/.config/checkstyle/checkstyle.xml b/.config/checkstyle/checkstyle.xml
index b585880..cd40139 100644
--- a/.config/checkstyle/checkstyle.xml
+++ b/.config/checkstyle/checkstyle.xml
@@ -65,6 +65,7 @@
 		<module name="ExplicitInitialization">
 			<property name="severity" value="info"/>
 		</module>
+		<module name="ExpressionOverBlockLambda"/>
 		<module name="FinalClass"/>
 		<module name="FinalParameters"/>
 		<module name="GenericWhitespace"/>
@@ -144,6 +145,7 @@
 		<module name="UnnecessarySemicolonInTryWithResources"/>
 		<module name="UnusedImports"/>
 		<module name="UnusedLocalVariable"/>
+		<module name="UnusedPrivateField"/>
 		<!-- Disabled by default; should be enabled on Java 25+ -->
 		<!-- <module name="UnusedTryResourceShouldBeUnnamed"/> -->
 		<module name="UpperEll"/>
diff --git a/.config/pmd/java/ruleset.xml b/.config/pmd/java/ruleset.xml
index 8dde42b..4c72bf2 100644
--- a/.config/pmd/java/ruleset.xml
+++ b/.config/pmd/java/ruleset.xml
@@ -169,7 +169,7 @@
 	<rule ref="category/java/errorprone.xml/UnconditionalIfStatement"/>
 	<rule ref="category/java/errorprone.xml/UnnecessaryCaseChange"/>
 	<rule ref="category/java/errorprone.xml/UnsupportedJdkApiUsage"/>
-	<rule ref="category/java/errorprone.xml/UselessPureMethodCall"/>
+	<rule ref="category/java/errorprone.xml/UnusedReturnValue"/>
 
 
 	<rule ref="category/java/multithreading.xml">
diff --git a/.github/workflows/check-build.yml b/.github/workflows/check-build.yml
index 0cd2d9b..da6afa9 100644
--- a/.github/workflows/check-build.yml
+++ b/.github/workflows/check-build.yml
@@ -34,7 +34,7 @@ jobs:
     - uses: actions/checkout@v7
 
     - name: Set up JDK
-      uses: actions/setup-java@v5
+      uses: actions/setup-java@v6
       with:
         distribution: ${{ matrix.distribution }}
         java-version: ${{ matrix.java }}
@@ -87,7 +87,7 @@ jobs:
     - uses: actions/checkout@v7
 
     - name: Set up JDK
-      uses: actions/setup-java@v5
+      uses: actions/setup-java@v6
       with:
         distribution: ${{ matrix.distribution }}
         java-version: ${{ matrix.java }}
@@ -123,7 +123,7 @@ jobs:
     - uses: actions/checkout@v7
 
     - name: Set up JDK
-      uses: actions/setup-java@v5
+      uses: actions/setup-java@v6
       with:
         distribution: ${{ matrix.distribution }}
         java-version: ${{ matrix.java }}
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index dc0033e..3ce89fc 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -21,7 +21,7 @@ jobs:
     - uses: actions/checkout@v7
 
     - name: Set up JDK
-      uses: actions/setup-java@v5
+      uses: actions/setup-java@v6
       with:
         java-version: '17'
         distribution: 'temurin'
@@ -124,7 +124,7 @@ jobs:
         git pull
 
     - name: Set up JDK
-      uses: actions/setup-java@v5
+      uses: actions/setup-java@v6
       with: # running setup-java overwrites the settings.xml
         distribution: 'temurin'
         java-version: '17'
@@ -141,7 +141,7 @@ jobs:
         MAVEN_GPG_PASSPHRASE: ${{ secrets.MAVEN_GPG_PASSPHRASE }}
 
     - name: Set up JDK
-      uses: actions/setup-java@v5
+      uses: actions/setup-java@v6
       with: # running setup-java again overwrites the settings.xml
         distribution: 'temurin'
         java-version: '17'
@@ -172,7 +172,7 @@ jobs:
         git pull
 
     - name: Setup - Java
-      uses: actions/setup-java@v5
+      uses: actions/setup-java@v6
       with:
         java-version: '17'
         distribution: 'temurin'
diff --git a/.github/workflows/test-deploy.yml b/.github/workflows/test-deploy.yml
index 96e5d2a..9f66506 100644
--- a/.github/workflows/test-deploy.yml
+++ b/.github/workflows/test-deploy.yml
@@ -14,7 +14,7 @@ jobs:
     - uses: actions/checkout@v7
 
     - name: Set up JDK
-      uses: actions/setup-java@v5
+      uses: actions/setup-java@v6
       with: # running setup-java overwrites the settings.xml
         distribution: 'temurin'
         java-version: '17'
@@ -31,7 +31,7 @@ jobs:
         MAVEN_GPG_PASSPHRASE: ${{ secrets.MAVEN_GPG_PASSPHRASE }}
 
     - name: Set up JDK
-      uses: actions/setup-java@v5
+      uses: actions/setup-java@v6
       with: # running setup-java again overwrites the settings.xml
         distribution: 'temurin'
         java-version: '17'
diff --git a/pom.xml b/pom.xml
index ee47894..f71e9e8 100644
--- a/pom.xml
+++ b/pom.xml
@@ -45,7 +45,7 @@
 							<dependency>
 								<groupId>com.puppycrawl.tools</groupId>
 								<artifactId>checkstyle</artifactId>
-								<version>13.10.0</version>
+								<version>14.1.0</version>
 							</dependency>
 						</dependencies>
 						<configuration>
@@ -83,12 +83,12 @@
 							<dependency>
 								<groupId>net.sourceforge.pmd</groupId>
 								<artifactId>pmd-core</artifactId>
-								<version>7.26.0</version>
+								<version>7.27.0</version>
 							</dependency>
 							<dependency>
 								<groupId>net.sourceforge.pmd</groupId>
 								<artifactId>pmd-java</artifactId>
-								<version>7.26.0</version>
+								<version>7.27.0</version>
 							</dependency>
 						</dependencies>
 					</plugin>
diff --git a/sessionize-java-client/pom.xml b/sessionize-java-client/pom.xml
index f7fde59..11b0b56 100644
--- a/sessionize-java-client/pom.xml
+++ b/sessionize-java-client/pom.xml
@@ -97,7 +97,7 @@
 			<plugin>
 				<groupId>com.mycila</groupId>
 				<artifactId>license-maven-plugin</artifactId>
-				<version>5.1.1</version>
+				<version>5.1.2</version>
 				<configuration>
 					<properties>
 						<email>${project.organization.url}</email>
@@ -422,7 +422,7 @@
 							<dependency>
 								<groupId>com.puppycrawl.tools</groupId>
 								<artifactId>checkstyle</artifactId>
-								<version>13.10.0</version>
+								<version>14.1.0</version>
 							</dependency>
 						</dependencies>
 						<configuration>
@@ -464,12 +464,12 @@
 							<dependency>
 								<groupId>net.sourceforge.pmd</groupId>
 								<artifactId>pmd-core</artifactId>
-								<version>7.26.0</version>
+								<version>7.27.0</version>
 							</dependency>
 							<dependency>
 								<groupId>net.sourceforge.pmd</groupId>
 								<artifactId>pmd-java</artifactId>
-								<version>7.26.0</version>
+								<version>7.27.0</version>
 							</dependency>
 						</dependencies>
 					</plugin>