diff --git a/app/build.gradle b/app/build.gradle
index 61dd846..0be2013 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -6,7 +6,7 @@ android {
         applicationId "com.csl.cs108ademoapp"
         minSdkVersion 19
         targetSdkVersion 30
-        versionCode 31
+        versionCode 32
         versionName "2.2.0"
     }
 }
diff --git a/cs108library4a/build.gradle b/cs108library4a/build.gradle
index 9976bfc..41776bb 100644
--- a/cs108library4a/build.gradle
+++ b/cs108library4a/build.gradle
@@ -5,9 +5,9 @@ android {
     defaultConfig {
         minSdkVersion 19
         targetSdkVersion 30
-        versionCode 31
-        versionName "2.1.22"
-        buildConfigField 'String', 'VERSION_NAME', "\"2.1.22\""
+        versionCode 32
+        versionName "2.2.0"
+        buildConfigField 'String', 'VERSION_NAME', "\"2.2.0\""
 
         testInstrumentationRunner 'androidx.test.runner.AndroidJUnitRunner'
     }
@@ -23,6 +23,7 @@ android {
     }
 }
 
+
 dependencies {
     implementation fileTree(include: ['*.jar'], dir: 'libs')
     androidTestImplementation('androidx.test.espresso:espresso-core:3.3.0', {