diff --git a/src/bld/java/rife/bld/extension/CompileKotlinOperationBuild.java b/src/bld/java/rife/bld/extension/CompileKotlinOperationBuild.java
index f11ef77..87dbee0 100644
--- a/src/bld/java/rife/bld/extension/CompileKotlinOperationBuild.java
+++ b/src/bld/java/rife/bld/extension/CompileKotlinOperationBuild.java
@@ -44,7 +44,7 @@ public class CompileKotlinOperationBuild extends Project {
         var kotlin = version(1, 9, 20);
         scope(compile)
                 .include(dependency("org.jetbrains.kotlin", "kotlin-compiler", kotlin))
-                .include(dependency("org.jetbrains.kotlin", "kotlin-annotation-processing", kotlin ))
+                .include(dependency("org.jetbrains.kotlin", "kotlin-annotation-processing", kotlin))
                 .include(dependency("org.jetbrains.dokka", "dokka-cli", dokka))
                 .include(dependency("org.jetbrains.dokka", "dokka-base", dokka))
                 .include(dependency("org.jetbrains.dokka", "analysis-kotlin-descriptors", dokka))
diff --git a/src/main/java/rife/bld/extension/CompileKotlinOperation.java b/src/main/java/rife/bld/extension/CompileKotlinOperation.java
index d8f6afe..2d747de 100644
--- a/src/main/java/rife/bld/extension/CompileKotlinOperation.java
+++ b/src/main/java/rife/bld/extension/CompileKotlinOperation.java
@@ -47,6 +47,31 @@ public class CompileKotlinOperation extends AbstractOperation<CompileKotlinOpera
     private File buildTestDirectory_;
     private CompileKotlinOptions compileOptions_;
     private KaptOptions kaptOptions_;
+    private File kotlinLibsDirectory_;
+
+    /**
+     * Returns the list JARs contained in a given directory.
+     *
+     * @param directory the directory
+     * @param regex     the regular expression to match
+     * @return the list of JARs
+     */
+    public static List<String> getJarList(File directory, String regex) {
+        var jars = new ArrayList<String>();
+
+        if (directory.isDirectory()) {
+            var files = directory.listFiles();
+            if (files != null) {
+                for (var f : files) {
+                    if (!f.getName().contains("-sources") && f.getName().matches(regex)) {
+                        jars.add(f.getAbsolutePath());
+                    }
+                }
+            }
+        }
+
+        return jars;
+    }
 
     public static Collection<File> getKotlinFileList(File directory) {
         if (directory == null) {
@@ -239,15 +264,21 @@ public class CompileKotlinOperation extends AbstractOperation<CompileKotlinOpera
             args.addAll(compileOptions_.args());
         }
 
-        // kapt options
-        if (kaptOptions_ != null) {
-            kaptOptions_.args().forEach(a -> {
-                args.add("-P");
-                args.add(a);
-            } );
+        // kapt plugin & options
+        if (kotlinLibsDirectory_ != null && kaptOptions_ != null) {
+            var kaptJar = getJarList(kotlinLibsDirectory_, "^.*kotlin-annotation-processing.*\\.jar$");
+            if (kaptJar.size() == 1) {
+                args.add("-Xplugin=" + kaptJar.get(0));
+                kaptOptions_.args().forEach(a -> {
+                    args.add("-P");
+                    args.add(a);
+                });
+            } else if (LOGGER.isLoggable(Level.WARNING)) {
+                LOGGER.warning("Could not locate the Kotlin annotation processing JAR in:" + kotlinLibsDirectory_);
+            }
         }
 
-        // source
+        // sources
         sources.forEach(f -> args.add(f.getAbsolutePath()));
 
         if (LOGGER.isLoggable(Level.FINE) && !silent()) {
@@ -293,6 +324,7 @@ public class CompileKotlinOperation extends AbstractOperation<CompileKotlinOpera
                 .buildTestDirectory(project.buildTestDirectory())
                 .compileMainClasspath(project.compileMainClasspath())
                 .compileTestClasspath(project.compileTestClasspath())
+                .kotlinLibsDirectory(project.libBldDirectory())
                 .mainSourceFiles(getKotlinFileList(new File(project.srcMainDirectory(), "kotlin")))
                 .testSourceFiles(getKotlinFileList(new File(project.srcTestDirectory(), "kotlin")));
     }
@@ -308,6 +340,28 @@ public class CompileKotlinOperation extends AbstractOperation<CompileKotlinOpera
         return this;
     }
 
+    /**
+     * Provides the directory containing the Kotlin libraries (compiler, plugins, etc.) JARs.
+     *
+     * @param directory the directory location
+     * @return this class instance
+     */
+    public CompileKotlinOperation kotlinLibsDirectory(File directory) {
+        kotlinLibsDirectory_ = directory;
+        return this;
+    }
+
+    /**
+     * Provides the directory containing the Kotlin libraries (compiler, plugins, etc.) JARs.
+     *
+     * @param directory the directory location
+     * @return this class instance
+     */
+    public CompileKotlinOperation kotlinLibsDirectory(String directory) {
+        kotlinLibsDirectory_ = new File(directory);
+        return this;
+    }
+
     /**
      * Provides main source directories that should be compiled.
      *
diff --git a/src/main/java/rife/bld/extension/KaptOptions.java b/src/main/java/rife/bld/extension/KaptOptions.java
index 37c3164..3bf93a3 100644
--- a/src/main/java/rife/bld/extension/KaptOptions.java
+++ b/src/main/java/rife/bld/extension/KaptOptions.java
@@ -31,8 +31,8 @@ import java.util.logging.Logger;
  * @since 1.0
  */
 public class KaptOptions {
-    private final Logger LOGGER = Logger.getLogger(KaptOptions.class.getName());
     private final static String PLUGIN_ID = "plugin:org.jetbrains.kotlin.kapt3:";
+    private final Logger LOGGER = Logger.getLogger(KaptOptions.class.getName());
     private final List<String> apClasspath_ = new ArrayList<>();
     private final Collection<Map<String, String>> apOptions_ = new ArrayList<>();
     private final AptMode aptMode_;
@@ -88,7 +88,7 @@ public class KaptOptions {
     }
 
     /**
-     * A path to the annotation processor JAR. Pass as many apclasspath as the number of JARs that you have.
+     * A path to the annotation processor JAR. Pass as many classpath as the number of JARs that you have.
      *
      * @param apClasspath the list of classpath
      * @return this class instance
@@ -229,7 +229,7 @@ public class KaptOptions {
         return this;
     }
 
-    // Base-64 encodes the option list
+    // Base-64 encodes the options list
     private String encodeList(Map<String, String> options) throws IOException {
         var os = new ByteArrayOutputStream();
         var oos = new ObjectOutputStream(os);
@@ -269,7 +269,7 @@ public class KaptOptions {
     /**
      * A list of the options passed to {@code javac}.
      *
-     * @param javacArguments the arguments
+     * @param javacArguments the {@code javac} arguments
      * @return this class instance
      */
     public KaptOptions javacArguments(Map<String, String> javacArguments) {
@@ -278,8 +278,8 @@ public class KaptOptions {
     }
 
     /**
-     * A list of annotation processor qualified class names. If specified, kapt does not try to find annotation
-     * processors in apclasspath
+     * A list of annotation processor qualified class names. If specified, {@code kapt} does not try to find annotation
+     * processors in {@link #apClasspath}.
      *
      * @param processors the list of qualified class names
      * @return this class instance
diff --git a/src/main/java/rife/bld/extension/dokka/DokkaOperation.java b/src/main/java/rife/bld/extension/dokka/DokkaOperation.java
index ad9888f..b3c7c8d 100644
--- a/src/main/java/rife/bld/extension/dokka/DokkaOperation.java
+++ b/src/main/java/rife/bld/extension/dokka/DokkaOperation.java
@@ -17,6 +17,7 @@
 package rife.bld.extension.dokka;
 
 import rife.bld.BaseProject;
+import rife.bld.extension.CompileKotlinOperation;
 import rife.bld.operations.AbstractProcessOperation;
 import rife.tools.StringUtils;
 
@@ -89,7 +90,7 @@ public class DokkaOperation extends AbstractProcessOperation<DokkaOperation> {
         // java
         args.add(javaTool());
 
-        var cli = getJarList(project_.libBldDirectory(), "^.*dokka-cli.*\\.jar$");
+        var cli = CompileKotlinOperation.getJarList(project_.libBldDirectory(), "^.*dokka-cli.*\\.jar$");
 
         if (cli.size() != 1) {
             throw new RuntimeException("The dokka-cli JAR could not be found.");
@@ -239,23 +240,6 @@ public class DokkaOperation extends AbstractProcessOperation<DokkaOperation> {
         return this;
     }
 
-    private List<String> getJarList(File directory, String regex) {
-        var jars = new ArrayList<String>();
-
-        if (directory.isDirectory()) {
-            var files = directory.listFiles();
-            if (files != null) {
-                for (var f : files) {
-                    if (!f.getName().contains("-sources") && f.getName().matches(regex)) {
-                        jars.add(f.getAbsolutePath());
-                    }
-                }
-            }
-        }
-
-        return jars;
-    }
-
     /**
      * Set the global external documentation links
      *
@@ -449,13 +433,17 @@ public class DokkaOperation extends AbstractProcessOperation<DokkaOperation> {
     public DokkaOperation outputFormat(OutputFormat format) {
         pluginsClasspath_.clear();
         if (format.equals(OutputFormat.JAVADOC)) {
-            pluginsClasspath_.addAll(getJarList(project_.libBldDirectory(), JAVADOC_PLUGIN_REGEXP));
+            pluginsClasspath_.addAll(CompileKotlinOperation.getJarList(project_.libBldDirectory(),
+                    JAVADOC_PLUGIN_REGEXP));
         } else if (format.equals(OutputFormat.HTML)) {
-            pluginsClasspath_.addAll(getJarList(project_.libBldDirectory(), HTML_PLUGIN_REGEXP));
+            pluginsClasspath_.addAll(CompileKotlinOperation.getJarList(project_.libBldDirectory(),
+                    HTML_PLUGIN_REGEXP));
         } else if (format.equals(OutputFormat.MARKDOWN)) {
-            pluginsClasspath_.addAll(getJarList(project_.libBldDirectory(), GFM_PLUGIN_REGEXP));
+            pluginsClasspath_.addAll(CompileKotlinOperation.getJarList(project_.libBldDirectory(),
+                    GFM_PLUGIN_REGEXP));
         } else if (format.equals(OutputFormat.JEKYLL)) {
-            pluginsClasspath_.addAll(getJarList(project_.libBldDirectory(), JEKYLL_PLUGIN_REGEXP));
+            pluginsClasspath_.addAll(CompileKotlinOperation.getJarList(project_.libBldDirectory(),
+                    JEKYLL_PLUGIN_REGEXP));
         }
         return this;
     }