diff --git a/app/build.gradle b/app/build.gradle
index 1d4ab0b..ab45146 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -9,9 +9,9 @@ android {
     defaultConfig {
         applicationId "com.github.axet.audiorecorder"
         minSdkVersion 9
-        targetSdkVersion 24 // 25+ file:// unable to open
-        versionCode 217
-        versionName "3.0.51"
+        targetSdkVersion 23 // 24+ file:// unable to open
+        versionCode 218
+        versionName "3.0.52"
     }
     signingConfigs {
         release {
@@ -55,5 +55,5 @@ android {
 dependencies {
     compile fileTree(dir: 'libs', include: ['*.jar'])
     testCompile 'junit:junit:4.12'
-    compile 'com.github.axet:android-audio-library:1.0.53' // compile project(':android-audio-library')
+    compile 'com.github.axet:android-audio-library:1.0.54' // compile project(':android-audio-library')
 }