diff --git a/.github/workflows/maven.yml b/.github/workflows/maven.yml
index d967dbe..9c4d73d 100644
--- a/.github/workflows/maven.yml
+++ b/.github/workflows/maven.yml
@@ -31,7 +31,7 @@ jobs:
         GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
     - name: Build Site for Maven Plugin
       if: github.ref != 'refs/heads/master'
-      run: mvn -B clean site --file aem-classification-maven-plugin/pom.xml
+      run: ./mvnw -B clean site --file aem-classification-maven-plugin/pom.xml
     - name:  Build, Analyse and Deploy Reactor with Maven
       if: github.ref == 'refs/heads/master'
       run: ./mvnw -B clean deploy org.sonarsource.scanner.maven:sonar-maven-plugin:sonar -Dsonar.projectKey=Netcentric_aem-classification -Dsonar.organization=netcentric -Dsonar.host.url=https://sonarcloud.io -Pcoverage-report
diff --git a/aem-classification-validator/pom.xml b/aem-classification-validator/pom.xml
index d855741..8edca2b 100644
--- a/aem-classification-validator/pom.xml
+++ b/aem-classification-validator/pom.xml
@@ -38,17 +38,12 @@
         <dependency>
             <groupId>org.apache.commons</groupId>
             <artifactId>commons-csv</artifactId>
-            <version>1.6</version>
-        </dependency>
-        <dependency>
-            <groupId>commons-lang</groupId>
-            <artifactId>commons-lang</artifactId>
-            <version>2.5</version>
+            <version>1.12.0</version>
         </dependency>
         <dependency>
             <groupId>commons-io</groupId>
             <artifactId>commons-io</artifactId>
-            <version>2.7</version>
+            <version>2.17.0</version>
         </dependency>
         <dependency>
             <groupId>org.slf4j</groupId>
diff --git a/aem-classification-validator/src/main/java/biz/netcentric/filevault/validator/aem/classification/map/ContentClassificationMapImpl.java b/aem-classification-validator/src/main/java/biz/netcentric/filevault/validator/aem/classification/map/ContentClassificationMapImpl.java
index 192ea25..9a65522 100644
--- a/aem-classification-validator/src/main/java/biz/netcentric/filevault/validator/aem/classification/map/ContentClassificationMapImpl.java
+++ b/aem-classification-validator/src/main/java/biz/netcentric/filevault/validator/aem/classification/map/ContentClassificationMapImpl.java
@@ -28,7 +28,6 @@
 
 import org.apache.commons.csv.CSVFormat;
 import org.apache.commons.csv.CSVRecord;
-import org.apache.commons.lang.StringUtils;
 import org.apache.jackrabbit.util.Text;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
@@ -59,7 +58,7 @@ public class ContentClassificationMapImpl implements ContentClassificationMap {
     protected final Map<String, String> remarkMap; // key = absolute repository path
     private String label;
 
-    private static final CSVFormat CSV_FORMAT = CSVFormat.RFC4180.withCommentMarker('#');
+    static final CSVFormat CSV_FORMAT = CSVFormat.Builder.create(CSVFormat.RFC4180).setCommentMarker('#').build();
     private static final Logger LOGGER = LoggerFactory.getLogger(ContentClassificationMapImpl.class);
 
     public ContentClassificationMapImpl(String label) {
@@ -101,7 +100,7 @@ protected void put(@NotNull String resourcePath, @NotNull ContentClassification
             throw new IllegalArgumentException("Only absolute resource paths are supported, but resource path given is '" + resourcePath + "'.");
         }
         classificationMap.put(resourcePath, classification);
-        if (StringUtils.isNotEmpty(remark)) {
+        if (remark != null && !remark.isEmpty()) {
             remarkMap.put(resourcePath, remark);
         }
     }
@@ -110,7 +109,7 @@ protected void put(@NotNull String resourcePath, @NotNull ContentClassification
     @NotNull
     public Entry<ContentClassification, String> getContentClassificationAndRemarkForResourcePath(@NotNull String resourcePath, @Nullable Collection<Pattern> whitelistedResourcePaths) {
         // ignore empty resourceTypes
-        if (StringUtils.isBlank(resourcePath)) {
+        if (resourcePath == null || resourcePath.isEmpty()) {
             return new SimpleEntry<>(ContentClassification.PUBLIC, null);
         }
         
diff --git a/aem-classification-validator/src/main/java/biz/netcentric/filevault/validator/aem/classification/map/MutableContentClassificationMapImpl.java b/aem-classification-validator/src/main/java/biz/netcentric/filevault/validator/aem/classification/map/MutableContentClassificationMapImpl.java
index 7fe0974..8f735ff 100644
--- a/aem-classification-validator/src/main/java/biz/netcentric/filevault/validator/aem/classification/map/MutableContentClassificationMapImpl.java
+++ b/aem-classification-validator/src/main/java/biz/netcentric/filevault/validator/aem/classification/map/MutableContentClassificationMapImpl.java
@@ -21,10 +21,8 @@
 import java.util.LinkedList;
 import java.util.Map.Entry;
 
-import org.apache.commons.csv.CSVFormat;
 import org.apache.commons.csv.CSVPrinter;
 import org.apache.commons.io.output.CloseShieldOutputStream;
-import org.apache.commons.lang.StringUtils;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
@@ -36,8 +34,6 @@
  */
 public class MutableContentClassificationMapImpl extends ContentClassificationMapImpl implements MutableContentClassificationMap {
 
-    private static final CSVFormat CSV_FORMAT = CSVFormat.RFC4180.withCommentMarker('#');
-
     public MutableContentClassificationMapImpl(@NotNull String label) {
         super(label);
     }
@@ -56,7 +52,7 @@ public void write(@NotNull OutputStream output) throws IOException {
                 values.add(entry.getKey()); // resource type
                 values.add(entry.getValue().toString());
                 String remark = remarkMap.get(entry.getKey());
-                if (StringUtils.isNotEmpty(remark)) {
+                if (remark != null && !remark.isEmpty()) {
                     values.add(remark);
                 }
                 csvPrinter.printRecord(values);