diff --git a/src/main/java/rife/bld/extension/dokka/DokkaOperation.java b/src/main/java/rife/bld/extension/dokka/DokkaOperation.java
index c73ed84..2ea40ab 100644
--- a/src/main/java/rife/bld/extension/dokka/DokkaOperation.java
+++ b/src/main/java/rife/bld/extension/dokka/DokkaOperation.java
@@ -54,6 +54,7 @@ public class DokkaOperation extends AbstractProcessOperation<DokkaOperation> {
     private final Map<String, String> pluginsConfiguration_ = new ConcurrentHashMap<>();
     private boolean delayTemplateSubstitution_;
     private boolean failOnWarning_;
+    private File json;
     private LoggingLevel loggingLevel_;
     private String moduleName_;
     private String moduleVersion_;
@@ -216,6 +217,11 @@ public class DokkaOperation extends AbstractProcessOperation<DokkaOperation> {
             args.add("-suppressInheritedMembers");
         }
 
+        // json
+        if (json != null) {
+            args.add(json.getAbsolutePath());
+        }
+
         if (LOGGER.isLoggable(Level.FINE)) {
             LOGGER.fine(String.join(" ", args));
         }
@@ -381,6 +387,16 @@ public class DokkaOperation extends AbstractProcessOperation<DokkaOperation> {
         return this;
     }
 
+    /**
+     * JSON configuration file path.
+     *
+     * @param configuration the configuration file path
+     */
+    public DokkaOperation json(File configuration) {
+        json = configuration;
+        return this;
+    }
+
     /**
      * Sets the logging level.
      *