diff --git a/app/build.gradle b/app/build.gradle
index 8e73c5e..6de88cf 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -41,9 +41,9 @@ android {
 }
 
 dependencies {
-    implementation 'com.simplemobiletools:commons:3.18.19'
+    implementation 'com.simplemobiletools:commons:3.19.1'
     implementation 'com.facebook.stetho:stetho:1.5.0'
-    implementation 'com.android.support.constraint:constraint-layout:1.0.2'
+    implementation 'com.android.support.constraint:constraint-layout:1.1.0'
     implementation 'com.shawnlin:number-picker:2.4.6'
 }
 
diff --git a/build.gradle b/build.gradle
index 3437621..139d478 100644
--- a/build.gradle
+++ b/build.gradle
@@ -9,7 +9,7 @@ buildscript {
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.1.0'
+        classpath 'com.android.tools.build:gradle:3.1.1'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
 
         // NOTE: Do not place your application dependencies here; they belong