diff --git a/build.gradle b/build.gradle
index 0d80eec..832fbc9 100644
--- a/build.gradle
+++ b/build.gradle
@@ -31,7 +31,7 @@ ext {
     def versionMajor = 0
     def versionMinor = 5
     def versionPatch = 0
-    version = "${versionMajor}.${versionMinor}.${versionPatch}"
+    versionName = "${versionMajor}.${versionMinor}.${versionPatch}"
 
     compileSdkVersion = 23
     buildToolsVersion = '23.0.2'
diff --git a/droidux-processor/build.gradle b/droidux-processor/build.gradle
index 98db7d8..e9bba9b 100644
--- a/droidux-processor/build.gradle
+++ b/droidux-processor/build.gradle
@@ -34,7 +34,7 @@ publish {
     userOrg = project_bintray_org
     groupId = project_group
     artifactId = 'droidux-processor'
-    version = project.version
+    version = project.versionName
     description = 'Code generator for info.izumin.android.droidux'
     website = project_url
 }
diff --git a/droidux-processor/src/main/java/info/izumin/android/droidux/processor/generator/StoreClassGenerator.java b/droidux-processor/src/main/java/info/izumin/android/droidux/processor/generator/StoreClassGenerator.java
index 27abdb1..d2565b3 100644
--- a/droidux-processor/src/main/java/info/izumin/android/droidux/processor/generator/StoreClassGenerator.java
+++ b/droidux-processor/src/main/java/info/izumin/android/droidux/processor/generator/StoreClassGenerator.java
@@ -80,7 +80,7 @@ public FieldSpec apply(StoreImplModel input) {
     private MethodSpec createConstructor() {
         MethodSpec.Builder builder = MethodSpec.constructorBuilder()
                 .addModifiers(Modifier.PROTECTED)
-                .addParameter(getParameterSpec(storeModel.getBuilderModel().getClassName()));
+                .addParameter(getParameterSpec(storeModel.getBuilderModel().getClassName(), Modifier.FINAL));
 
         for (StoreImplModel storeImpl : storeModel.getStoreImplModels()) {
             builder = builder.addStatement("$N = new $T($N.$N, $N.$N)",
diff --git a/droidux-processor/src/main/java/info/izumin/android/droidux/processor/model/StoreModel.java b/droidux-processor/src/main/java/info/izumin/android/droidux/processor/model/StoreModel.java
index 9f9a9be..58da143 100644
--- a/droidux-processor/src/main/java/info/izumin/android/droidux/processor/model/StoreModel.java
+++ b/droidux-processor/src/main/java/info/izumin/android/droidux/processor/model/StoreModel.java
@@ -6,7 +6,6 @@
 import com.squareup.javapoet.ClassName;
 
 import java.util.List;
-import java.util.function.Consumer;
 
 import javax.lang.model.element.ExecutableElement;
 import javax.lang.model.element.TypeElement;
@@ -74,25 +73,22 @@ public StoreMethodModel apply(ExecutableElement input) {
                 })
                 .toList();
 
-        FluentIterable.from(storeImplModels)
-                .forEach(new Consumer<StoreImplModel>() {
-                    @Override
-                    public void accept(final StoreImplModel storeImplModel) {
-                        storeImplModel.setIsBindable(FluentIterable.from(methodModels)
-                                .filter(new Predicate<StoreMethodModel>() {
-                                    @Override
-                                    public boolean apply(StoreMethodModel input) {
-                                        return ClassName.get(input.getReturnType()).equals(storeImplModel.getState());
-                                    }
-                                })
-                                .anyMatch(new Predicate<StoreMethodModel>() {
-                                    @Override
-                                    public boolean apply(StoreMethodModel input) {
-                                        return input.isBindable();
-                                    }
-                                }));
-                    }
-                });
+        for (final StoreImplModel storeImplModel : storeImplModels) {
+            storeImplModel.setIsBindable(FluentIterable.from(methodModels)
+                    .filter(new Predicate<StoreMethodModel>() {
+                        @Override
+                        public boolean apply(StoreMethodModel input) {
+                            return ClassName.get(input.getReturnType()).equals(storeImplModel.getState());
+                        }
+                    })
+                    .anyMatch(new Predicate<StoreMethodModel>() {
+                        @Override
+                        public boolean apply(StoreMethodModel input) {
+                            return input.isBindable();
+                        }
+                    }));
+        }
+
         this.builderModel = new BuilderModel(this);
     }
 
diff --git a/droidux-processor/src/test/java/info/izumin/android/droidux/processor/fixture/Source.java b/droidux-processor/src/test/java/info/izumin/android/droidux/processor/fixture/Source.java
index b1352c5..e825c29 100644
--- a/droidux-processor/src/test/java/info/izumin/android/droidux/processor/fixture/Source.java
+++ b/droidux-processor/src/test/java/info/izumin/android/droidux/processor/fixture/Source.java
@@ -113,7 +113,7 @@ public static class Counter {
                 "    private final DroiduxRootStore_CounterStoreImpl counterStoreImpl;",
                 "    private final Dispatcher dispatcher;",
                 "",
-                "    protected DroiduxRootStore(Builder builder) {",
+                "    protected DroiduxRootStore(final Builder builder) {",
                 "        counterStoreImpl= new DroiduxRootStore_CounterStoreImpl(builder.counter, builder.counterReducer);",
                 "        dispatcher = new Dispatcher(builder.middlewares, counterStoreImpl);",
                 "        for (Middleware middleware : builder.middlewares) {",
@@ -211,7 +211,7 @@ public static class BindableCounter {
                 "    private final DroiduxRootStore_CounterStoreImpl counterStoreImpl;",
                 "    private final Dispatcher dispatcher;",
                 "",
-                "    protected DroiduxRootStore(Builder builder) {",
+                "    protected DroiduxRootStore(final Builder builder) {",
                 "        counterStoreImpl = new DroiduxRootStore_CounterStoreImpl(builder.counter, builder.counterReducer);",
                 "        counterStoreImpl.addListener(new OnStateChangedListener<Counter>() {",
                 "            @Override",
@@ -322,7 +322,7 @@ public static class CombinedTwoReducers {
                 "    private final DroiduxRootStore_TodoListStoreImpl todoListStoreImpl;",
                 "    private final Dispatcher dispatcher;",
                 "",
-                "    protected DroiduxRootStore(Builder builder) {",
+                "    protected DroiduxRootStore(final Builder builder) {",
                 "        counterStoreImpl= new DroiduxRootStore_CounterStoreImpl(builder.counter, builder.counterReducer);",
                 "        todoListStoreImpl= new DroiduxRootStore_TodoListStoreImpl(builder.todoList, builder.todoListReducer);",
                 "        dispatcher = new Dispatcher(builder.middlewares, counterStoreImpl, todoListStoreImpl);",
@@ -453,7 +453,7 @@ public static class CombinedReducerAndBindableReducer {
                 "    private final DroiduxRootStore_TodoListStoreImpl todoListStoreImpl;",
                 "    private final Dispatcher dispatcher;",
                 "",
-                "    protected DroiduxRootStore(Builder builder) {",
+                "    protected DroiduxRootStore(final Builder builder) {",
                 "        counterStoreImpl= new DroiduxRootStore_CounterStoreImpl(builder.counter, builder.counterReducer);",
                 "        todoListStoreImpl= new DroiduxRootStore_TodoListStoreImpl(builder.todoList, builder.todoListReducer);",
                 "        todoListStoreImpl.addListener(new OnStateChangedListener<TodoList>() {",
diff --git a/droidux/build.gradle b/droidux/build.gradle
index 99c86ad..569930b 100644
--- a/droidux/build.gradle
+++ b/droidux/build.gradle
@@ -40,7 +40,7 @@ publish {
     userOrg = project_bintray_org
     groupId = project_group
     artifactId = 'droidux'
-    version = project.version
+    version = project.versionName
     description = '"Predictable state container" implementation, inspired by Redux for JS.'
     website = project_url
 }