diff --git a/android/app/build.gradle b/android/app/build.gradle
index f5e30cfd..58fdf6ea 100644
--- a/android/app/build.gradle
+++ b/android/app/build.gradle
@@ -42,7 +42,7 @@ android {
         minSdkVersion rootProject.ext.minSdkVersion
         targetSdkVersion rootProject.ext.targetSdkVersion
         versionCode Integer.parseInt(VERSION_CODE)
-        versionName "8.0.0"
+        versionName "8.1.0"
         testBuildType System.getProperty('testBuildType', 'debug')
         testInstrumentationRunner 'androidx.test.runner.AndroidJUnitRunner'
     }
diff --git a/android/gradle.properties b/android/gradle.properties
index 79c3b202..7a716d0d 100644
--- a/android/gradle.properties
+++ b/android/gradle.properties
@@ -1,5 +1,5 @@
-#Sat, 29 Feb 2020 15:16:12 +0800
+#Mon, 02 Mar 2020 17:01:14 +0800
 org.gradle.jvmargs=-Xmx2g -XX\:MaxMetaspaceSize\=512m -XX\:+HeapDumpOnOutOfMemoryError -Dfile.encoding\=UTF-8
 android.useAndroidX=true
 android.enableJetifier=true
-VERSION_CODE=6000510
+VERSION_CODE=5000020
diff --git a/ios/learnX.xcodeproj/project.pbxproj b/ios/learnX.xcodeproj/project.pbxproj
index c59274c6..13c5d495 100644
--- a/ios/learnX.xcodeproj/project.pbxproj
+++ b/ios/learnX.xcodeproj/project.pbxproj
@@ -317,7 +317,7 @@
 				CODE_SIGN_IDENTITY = "iPhone Developer";
 				"CODE_SIGN_IDENTITY[sdk=macosx*]" = "Mac Developer";
 				CODE_SIGN_STYLE = Manual;
-				CURRENT_PROJECT_VERSION = 510;
+				CURRENT_PROJECT_VERSION = 520;
 				DERIVE_MACCATALYST_PRODUCT_BUNDLE_IDENTIFIER = NO;
 				DEVELOPMENT_TEAM = QX9PZ6H89F;
 				ENABLE_BITCODE = NO;
@@ -331,7 +331,7 @@
 					"$(inherited)",
 					"@executable_path/Frameworks",
 				);
-				MARKETING_VERSION = 8.0.0;
+				MARKETING_VERSION = 8.1.0;
 				OTHER_LDFLAGS = (
 					"$(inherited)",
 					"-ObjC",
@@ -359,7 +359,7 @@
 				CODE_SIGN_IDENTITY = "iPhone Developer";
 				"CODE_SIGN_IDENTITY[sdk=macosx*]" = "Mac Developer";
 				CODE_SIGN_STYLE = Manual;
-				CURRENT_PROJECT_VERSION = 510;
+				CURRENT_PROJECT_VERSION = 520;
 				DERIVE_MACCATALYST_PRODUCT_BUNDLE_IDENTIFIER = NO;
 				DEVELOPMENT_TEAM = QX9PZ6H89F;
 				"ENABLE_HARDENED_RUNTIME[sdk=macosx*]" = YES;
@@ -368,7 +368,7 @@
 					"$(inherited)",
 					"@executable_path/Frameworks",
 				);
-				MARKETING_VERSION = 8.0.0;
+				MARKETING_VERSION = 8.1.0;
 				OTHER_LDFLAGS = (
 					"$(inherited)",
 					"-ObjC",
diff --git a/package.json b/package.json
index 864a0aab..de85a256 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
   "name": "learnX",
   "private": true,
   "license": "MIT",
-  "version": "8.0.0",
+  "version": "8.1.0",
   "scripts": {
     "android": "react-native run-android --no-jetifier",
     "android:beta": "fastlane android beta",