diff --git a/app/build.gradle b/app/build.gradle
index 0aa9c6f8..810b90c6 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -7,7 +7,7 @@ android {
         applicationId "org.meowcat.edxposed.manager"
         minSdkVersion 21
         targetSdkVersion 27
-        versionCode 45401
+        versionCode 45402
         versionName "4.5.4"
     }
     buildTypes {
diff --git a/appveyor.yml b/appveyor.yml
new file mode 100644
index 00000000..38f9d191
--- /dev/null
+++ b/appveyor.yml
@@ -0,0 +1,16 @@
+environment:
+  matrix:
+  - ANDROID_HOME: "C:\\android-sdk-windows"
+install:
+- cmd: >-
+    appveyor DownloadFile https://dl.google.com/android/repository/sdk-tools-windows-3859397.zip
+    
+    7z x sdk-tools-windows-3859397.zip -oC:\android-sdk-windows > nul
+    
+    yes | C:\android-sdk-windows\tools\bin\sdkmanager.bat --licenses > nul
+cache: C:\android-sdk-windows\
+build_script:
+- cmd: gradlew.bat assembleRelease
+artifacts:
+- path: app/build/outputs/apk/
+  name: APK