diff --git a/build.gradle b/build.gradle
index e22e3deb1..9e276ea0f 100644
--- a/build.gradle
+++ b/build.gradle
@@ -127,7 +127,7 @@ subprojects {
       destinationFile = file("${buildDir}/jacoco/test.exec")
     }
 
-    reports.html.required = false
+    reports.html.required = true
   }
 
   tasks.withType(JavaCompile).each {
diff --git a/processor/build.gradle b/processor/build.gradle
index 5262fc300..e1dca11e4 100644
--- a/processor/build.gradle
+++ b/processor/build.gradle
@@ -6,6 +6,8 @@ dependencies {
 test {
   useJUnitPlatform()
 
+  reports.html.required = true
+
   jvmArgs([
     '--add-opens=jdk.compiler/com.sun.tools.javac.api=ALL-UNNAMED', 
     '--add-opens=jdk.compiler/com.sun.tools.javac.util=ALL-UNNAMED', 
diff --git a/processor/src/main/java/com/github/tonivade/purefun/HigherKindProcessor.java b/processor/src/main/java/com/github/tonivade/purefun/processor/HigherKindProcessor.java
similarity index 98%
rename from processor/src/main/java/com/github/tonivade/purefun/HigherKindProcessor.java
rename to processor/src/main/java/com/github/tonivade/purefun/processor/HigherKindProcessor.java
index 0b45beac4..c09c7ab08 100644
--- a/processor/src/main/java/com/github/tonivade/purefun/HigherKindProcessor.java
+++ b/processor/src/main/java/com/github/tonivade/purefun/processor/HigherKindProcessor.java
@@ -2,7 +2,7 @@
  * Copyright (c) 2018-2023, Antonio Gabriel Muñoz Conejo <antoniogmc at gmail dot com>
  * Distributed under the terms of the MIT License
  */
-package com.github.tonivade.purefun;
+package com.github.tonivade.purefun.processor;
 
 import static java.lang.String.format;
 import static java.util.stream.Collectors.joining;
@@ -20,10 +20,12 @@
 import javax.tools.Diagnostic;
 import javax.tools.JavaFileObject;
 
+import com.github.tonivade.purefun.HigherKind;
+
 @SupportedAnnotationTypes("com.github.tonivade.purefun.HigherKind")
 public class HigherKindProcessor extends AbstractProcessor {
 
-  private static final String GENERATED = "@Generated(\"com.github.tonivade.purefun.HigherKindProcessor\")";
+  private static final String GENERATED = "@Generated(\"com.github.tonivade.purefun.processor.HigherKindProcessor\")";
 
   private static final String JAVAX_ANNOTATION_GENERATED = "javax.annotation.Generated";
   private static final String JAVAX_ANNOTATION_PROCESSING_GENERATED = "javax.annotation.processing.Generated";
@@ -59,9 +61,9 @@ private void generate(TypeElement element) throws IOException {
     int lastIndexOf = qualifiedName.lastIndexOf('.');
     String packageName;
     String className;
-    
+
     HigherKind annotation = element.getAnnotation(HigherKind.class);
-    
+
     if (lastIndexOf > 0) {
       packageName =  qualifiedName.substring(0, lastIndexOf);
       className = qualifiedName.substring(lastIndexOf + 1);
@@ -215,7 +217,7 @@ private static void narrowK2(PrintWriter writer, String className, String aType,
   private static void narrowK3(PrintWriter writer, String className, String aType, String bType, String cType, String hkt) {
     narrowK(writer, "<" + aType + ", " + bType + ", " + cType + ">", className + "<A, B, C>", hkt);
   }
-  
+
   private static void narrowK(PrintWriter writer, String types, String returnType, String param) {
     writer.println("  @SuppressWarnings(\"unchecked\")");
     writer.println("  static " + types + " " + returnType + " narrowK(" + param + " hkt) {");
@@ -223,15 +225,15 @@ private static void narrowK(PrintWriter writer, String types, String returnType,
     writer.println("  }");
     writer.println();
   }
-  
+
   private static void toTypeOf1(PrintWriter writer, String className, String aType, String hkt, String typeOf) {
     toTypeOf(writer, "<" + aType + ">", className + "<A>", hkt, typeOf, className);
   }
-  
+
   private static void toTypeOf2(PrintWriter writer, String className, String aType, String bType, String hkt, String typeOf) {
     toTypeOf(writer, "<" + aType + ", " + bType + ">", className + "<A, B>", hkt, typeOf, className);
   }
-  
+
   private static void toTypeOf3(PrintWriter writer, String className, String aType, String bType, String cType, String hkt, String typeOf) {
     toTypeOf(writer, "<" + aType + ", " + bType + ", " + cType + ">", className + "<A, B, C>", hkt, typeOf, className);
   }
diff --git a/processor/src/main/resources/META-INF/services/javax.annotation.processing.Processor b/processor/src/main/resources/META-INF/services/javax.annotation.processing.Processor
index 16bbbf73e..4b1d0e788 100644
--- a/processor/src/main/resources/META-INF/services/javax.annotation.processing.Processor
+++ b/processor/src/main/resources/META-INF/services/javax.annotation.processing.Processor
@@ -1 +1 @@
-com.github.tonivade.purefun.HigherKindProcessor
+com.github.tonivade.purefun.processor.HigherKindProcessor
diff --git a/processor/src/test/java/com/github/tonivade/purefun/HigherKindProcessorTest.java b/processor/src/test/java/com/github/tonivade/purefun/processor/HigherKindProcessorTest.java
similarity index 91%
rename from processor/src/test/java/com/github/tonivade/purefun/HigherKindProcessorTest.java
rename to processor/src/test/java/com/github/tonivade/purefun/processor/HigherKindProcessorTest.java
index 3c026b2f5..99cb9db49 100644
--- a/processor/src/test/java/com/github/tonivade/purefun/HigherKindProcessorTest.java
+++ b/processor/src/test/java/com/github/tonivade/purefun/processor/HigherKindProcessorTest.java
@@ -2,7 +2,7 @@
  * Copyright (c) 2018-2023, Antonio Gabriel Muñoz Conejo <antoniogmc at gmail dot com>
  * Distributed under the terms of the MIT License
  */
-package com.github.tonivade.purefun;
+package com.github.tonivade.purefun.processor;
 
 import static com.google.common.truth.Truth.assert_;
 import static com.google.testing.compile.JavaFileObjects.forSourceLines;
@@ -18,7 +18,7 @@ public class HigherKindProcessorTest {
         "import com.github.tonivade.purefun.Witness;",
         "import javax.annotation.processing.Generated;",
 
-        "@Generated(\"com.github.tonivade.purefun.HigherKindProcessor\")",
+        "@Generated(\"com.github.tonivade.purefun.processor.HigherKindProcessor\")",
         "public final class Foo_ implements Witness {",
         "private Foo_() {}",
         "}");
@@ -41,7 +41,7 @@ public void compilesKind1() {
         "import com.github.tonivade.purefun.Fixer;",
         "import javax.annotation.processing.Generated;",
 
-        "@Generated(\"com.github.tonivade.purefun.HigherKindProcessor\")",
+        "@Generated(\"com.github.tonivade.purefun.processor.HigherKindProcessor\")",
         "public sealed interface FooOf<A> extends Kind<Foo_, A> permits Foo {",
 
         "@SuppressWarnings(\"unchecked\")",
@@ -74,7 +74,7 @@ public void compilesKind1NoPackage() {
         "import com.github.tonivade.purefun.Fixer;",
         "import javax.annotation.processing.Generated;",
 
-        "@Generated(\"com.github.tonivade.purefun.HigherKindProcessor\")",
+        "@Generated(\"com.github.tonivade.purefun.processor.HigherKindProcessor\")",
         "public sealed interface FooOf<A> extends Kind<Foo_, A> permits Foo {",
 
         "@SuppressWarnings(\"unchecked\")",
@@ -92,7 +92,7 @@ public void compilesKind1NoPackage() {
         "import com.github.tonivade.purefun.Witness;",
         "import javax.annotation.processing.Generated;",
 
-        "@Generated(\"com.github.tonivade.purefun.HigherKindProcessor\")",
+        "@Generated(\"com.github.tonivade.purefun.processor.HigherKindProcessor\")",
         "public final class Foo_ implements Witness {",
         "private Foo_() {}",
         "}");
@@ -119,7 +119,7 @@ public void compilesKind1Bounds() {
         "import com.github.tonivade.purefun.Fixer;",
         "import javax.annotation.processing.Generated;",
 
-        "@Generated(\"com.github.tonivade.purefun.HigherKindProcessor\")",
+        "@Generated(\"com.github.tonivade.purefun.processor.HigherKindProcessor\")",
         "public sealed interface FooOf<A extends java.lang.String> extends Kind<Foo_, A> permits Foo {",
 
         "@SuppressWarnings(\"unchecked\")",
@@ -188,14 +188,14 @@ public void compilesKind2() {
         "import com.github.tonivade.purefun.Fixer;",
         "import javax.annotation.processing.Generated;",
 
-        "@Generated(\"com.github.tonivade.purefun.HigherKindProcessor\")",
+        "@Generated(\"com.github.tonivade.purefun.processor.HigherKindProcessor\")",
         "public sealed interface FooOf<A, B> extends Kind<Kind<Foo_, A>, B> permits Foo {",
 
         "@SuppressWarnings(\"unchecked\")",
         "static <A, B> Foo<A, B> narrowK(Kind<Kind<Foo_, A>, ? extends B> hkt) {",
         "return (Foo<A, B>) hkt;",
         "}",
-        
+
         "static <A, B> Fixer<Kind<Kind<Foo_, A>, B>, Foo<A, B>> toFoo() {",
         "return FooOf::narrowK;",
         "}",
@@ -225,14 +225,14 @@ public void compilesKind3() {
         "import com.github.tonivade.purefun.Fixer;",
         "import javax.annotation.processing.Generated;",
 
-        "@Generated(\"com.github.tonivade.purefun.HigherKindProcessor\")",
+        "@Generated(\"com.github.tonivade.purefun.processor.HigherKindProcessor\")",
         "public sealed interface FooOf<A, B, C> extends Kind<Kind<Kind<Foo_, A>, B>, C> permits Foo {",
 
         "@SuppressWarnings(\"unchecked\")",
         "static <A, B, C> Foo<A, B, C> narrowK(Kind<Kind<Kind<Foo_, A>, B>, ? extends C> hkt) {",
         "return (Foo<A, B, C>) hkt;",
         "}",
-        
+
         "static <A, B, C> Fixer<Kind<Kind<Kind<Foo_, A>, B>, C>, Foo<A, B, C>> toFoo() {",
         "return FooOf::narrowK;",
         "}",