diff --git a/app/build.gradle b/app/build.gradle
index fc71ba98..d1319ac7 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -4,7 +4,7 @@ apply plugin: 'kotlin-android-extensions'
 
 android {
     compileSdkVersion 27
-    buildToolsVersion '27.0.1'
+    buildToolsVersion '27.0.2'
 
     defaultConfig {
         applicationId "com.simplemobiletools.calculator"
@@ -40,7 +40,7 @@ android {
 }
 
 dependencies {
-    implementation 'com.simplemobiletools:commons:3.2.3'
+    implementation 'com.simplemobiletools:commons:3.3.12'
     implementation 'me.grantland:autofittextview:0.2.1'
 
     testImplementation 'junit:junit:4.12'