diff --git a/binding/android/Octopus/octopus/build.gradle b/binding/android/Octopus/octopus/build.gradle
index b5c01ea..34ef80f 100644
--- a/binding/android/Octopus/octopus/build.gradle
+++ b/binding/android/Octopus/octopus/build.gradle
@@ -2,7 +2,7 @@ apply plugin: 'com.android.library'
 
 ext {
     PUBLISH_GROUP_ID = 'ai.picovoice'
-    PUBLISH_VERSION = '1.2.2'
+    PUBLISH_VERSION = '2.0.0'
     PUBLISH_ARTIFACT_ID = 'octopus-android'
 }
 
@@ -39,12 +39,12 @@ dependencies {
 }
 
 task copyLibs(type: Copy) {
-    from("${rootDir}/../../lib/android")
+    from("${rootDir}/../../../lib/android")
     into("${rootDir}/octopus/src/main/jniLibs")
 }
 
 task copyParams(type: Copy) {
-    from("${rootDir}/../../lib/common/param")
+    from("${rootDir}/../../../lib/common/param")
     include('octopus_params.pv')
     into("${rootDir}/octopus/src/main/res/raw")
 }
diff --git a/binding/android/OctopusTestApp/build.gradle b/binding/android/OctopusTestApp/build.gradle
index ebfdad2..cb59d8e 100644
--- a/binding/android/OctopusTestApp/build.gradle
+++ b/binding/android/OctopusTestApp/build.gradle
@@ -16,6 +16,9 @@ allprojects {
     repositories {
         google()
         mavenCentral()
+        maven {
+            url 'https://s01.oss.sonatype.org/content/repositories/aipicovoice-1276/'
+        }
     }
 }
 
diff --git a/binding/android/OctopusTestApp/octopus-test-app/build.gradle b/binding/android/OctopusTestApp/octopus-test-app/build.gradle
index be75423..b68b338 100644
--- a/binding/android/OctopusTestApp/octopus-test-app/build.gradle
+++ b/binding/android/OctopusTestApp/octopus-test-app/build.gradle
@@ -112,7 +112,7 @@ dependencies {
     implementation 'androidx.appcompat:appcompat:1.3.1'
     implementation 'com.google.android.material:material:1.4.0'
     implementation 'androidx.constraintlayout:constraintlayout:2.1.1'
-    implementation 'ai.picovoice:octopus-android:1.2.2'
+    implementation 'ai.picovoice:octopus-android:2.0.0'
 
     // Espresso UI Testing
     androidTestImplementation 'androidx.test.ext:junit:1.1.3'
diff --git a/binding/android/OctopusTestApp/octopus-test-app/src/androidTest/java/ai/picovoice/octopus/testapp/LanguageTests.java b/binding/android/OctopusTestApp/octopus-test-app/src/androidTest/java/ai/picovoice/octopus/testapp/LanguageTests.java
index 353aa57..e1934fa 100644
--- a/binding/android/OctopusTestApp/octopus-test-app/src/androidTest/java/ai/picovoice/octopus/testapp/LanguageTests.java
+++ b/binding/android/OctopusTestApp/octopus-test-app/src/androidTest/java/ai/picovoice/octopus/testapp/LanguageTests.java
@@ -59,7 +59,7 @@ public static Collection<Object[]> initParameters() {
                 {
                         "ja",
                         new HashMap<String, double[][]>() {{
-                            put("りんご", new double [][]{{0.960, 1.664, 1}});
+                            put("りんご", new double [][]{{0.992, 1.632, 1}});
                         }},
                 },
                 {
diff --git a/binding/android/OctopusTestApp/octopus-test-app/src/androidTest/java/ai/picovoice/octopus/testapp/OctopusTest.java b/binding/android/OctopusTestApp/octopus-test-app/src/androidTest/java/ai/picovoice/octopus/testapp/OctopusTest.java
index cd9532c..ea1a1fa 100644
--- a/binding/android/OctopusTestApp/octopus-test-app/src/androidTest/java/ai/picovoice/octopus/testapp/OctopusTest.java
+++ b/binding/android/OctopusTestApp/octopus-test-app/src/androidTest/java/ai/picovoice/octopus/testapp/OctopusTest.java
@@ -249,4 +249,29 @@ public void testSpacesInSearchPhrase() throws Exception {
         metadata.delete();
         octopus.delete();
     }
+
+    @Test
+    public void testErrorStack() {
+        String[] error = {};
+        try {
+            new Octopus.Builder()
+                    .setAccessKey("invalid")
+                    .build(appContext);
+        } catch (OctopusException e) {
+            error = e.getMessageStack();
+        }
+
+        assertTrue(0 < error.length);
+        assertTrue(error.length <= 8);
+
+        try {
+            new Octopus.Builder()
+                    .setAccessKey("invalid")
+                    .build(appContext);
+        } catch (OctopusException e) {
+            for (int i = 0; i < error.length; i++) {
+                assertEquals(e.getMessageStack()[i], error[i]);
+            }
+        }
+    }
 }