diff --git a/archunit-junit/junit4/src/main/java/com/tngtech/archunit/junit/ArchUnitRunner.java b/archunit-junit/junit4/src/main/java/com/tngtech/archunit/junit/ArchUnitRunner.java
index 5020f553a6..d94d4ba62e 100644
--- a/archunit-junit/junit4/src/main/java/com/tngtech/archunit/junit/ArchUnitRunner.java
+++ b/archunit-junit/junit4/src/main/java/com/tngtech/archunit/junit/ArchUnitRunner.java
@@ -49,7 +49,7 @@
  * The runner will cache classes between test runs, for details please refer to {@link com.tngtech.archunit.junit.internal.ClassCache}.
  */
 @PublicAPI(usage = ACCESS)
-public class ArchUnitRunner<T> extends ParentRunner<T> {
+public final class ArchUnitRunner<T> extends ParentRunner<T> {
     private final InternalRunner<T> runnerDelegate;
 
     @Internal
diff --git a/archunit/src/main/java/com/tngtech/archunit/core/importer/ClassFileSource.java b/archunit/src/main/java/com/tngtech/archunit/core/importer/ClassFileSource.java
index f3e5f6c56b..3468173578 100644
--- a/archunit/src/main/java/com/tngtech/archunit/core/importer/ClassFileSource.java
+++ b/archunit/src/main/java/com/tngtech/archunit/core/importer/ClassFileSource.java
@@ -41,7 +41,7 @@
 @Internal
 interface ClassFileSource extends Iterable<ClassFileLocation> {
     @Internal
-    class FromFilePath extends SimpleFileVisitor<Path> implements ClassFileSource {
+    final class FromFilePath extends SimpleFileVisitor<Path> implements ClassFileSource {
         private final Set<ClassFileLocation> classFileLocations = new HashSet<>();
         private final ImportOptions importOptions;
 
@@ -87,7 +87,7 @@ InputStream getInputStream() throws IOException {
     }
 
     @Internal
-    class FromJar implements ClassFileSource {
+    final class FromJar implements ClassFileSource {
         private final Iterable<ClassFileLocation> classFileLocations;
 
         FromJar(URL jarUrl, String path, ImportOptions importOptions) {
diff --git a/archunit/src/main/java/com/tngtech/archunit/library/plantuml/rules/Alias.java b/archunit/src/main/java/com/tngtech/archunit/library/plantuml/rules/Alias.java
index 8ca2f6a308..09c6518967 100644
--- a/archunit/src/main/java/com/tngtech/archunit/library/plantuml/rules/Alias.java
+++ b/archunit/src/main/java/com/tngtech/archunit/library/plantuml/rules/Alias.java
@@ -19,7 +19,7 @@
 
 import static com.google.common.base.Preconditions.checkNotNull;
 
-class Alias {
+final class Alias {
     private final String value;
 
     Alias(String value) {
diff --git a/build.gradle b/build.gradle
index b4733b51e8..6fff6da13c 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,7 +1,7 @@
 plugins {
     id 'archunit.base-conventions'
     id 'com.github.johnrengelman.shadow' version '7.1.2' apply false
-    id 'com.github.spotbugs' version '5.1.4' apply false
+    id 'com.github.spotbugs' version '5.2.1' apply false
     id "io.github.gradle-nexus.publish-plugin" version "1.3.0" apply false
     id "com.diffplug.spotless" version "6.23.2" apply false
     id 'com.github.ben-manes.versions' version '0.50.0' apply false
diff --git a/buildSrc/src/main/resources/code_quality/spotbugs-excludes.xml b/buildSrc/src/main/resources/code_quality/spotbugs-excludes.xml
index 0df9b98438..c57f9551dc 100644
--- a/buildSrc/src/main/resources/code_quality/spotbugs-excludes.xml
+++ b/buildSrc/src/main/resources/code_quality/spotbugs-excludes.xml
@@ -57,4 +57,8 @@
         <Method name="targetsOf"/>
         <Bug pattern="NP_NULL_ON_SOME_PATH_FROM_RETURN_VALUE"/>
     </Match>
+    <Match>
+        <Bug pattern="PI_DO_NOT_REUSE_PUBLIC_IDENTIFIERS_CLASS_NAMES"/>
+        <!-- https://wiki.sei.cmu.edu/confluence/display/java/DCL01-J.+Do+not+reuse+public+identifiers+from+the+Java+Standard+Library -->
+    </Match>
 </FindBugsFilter>