diff --git a/build.gradle b/build.gradle
index c59aa62f..b49bd5ba 100644
--- a/build.gradle
+++ b/build.gradle
@@ -4,10 +4,10 @@ apply plugin: 'com.github.ben-manes.versions'
 
 buildscript {
     ext {
-        androidPluginVersion = '3.1.0'
+        androidPluginVersion = '3.1.1'
         kotlinVersion = '1.2.31'
-        supportLibraryVersion = '27.1.0'
-        takisoftFixVersion = '27.1.0.0'
+        supportLibraryVersion = '27.1.1'
+        takisoftFixVersion = '27.1.1.0'
     }
     repositories {
         google()
diff --git a/mobile/build.gradle b/mobile/build.gradle
index f5c2d57e..eae85275 100644
--- a/mobile/build.gradle
+++ b/mobile/build.gradle
@@ -33,7 +33,7 @@ dependencies {
     implementation "com.android.support:customtabs:$supportLibraryVersion"
     implementation "com.android.support:design:$supportLibraryVersion"
     implementation "com.android.support:preference-v14:$supportLibraryVersion"
-    implementation 'com.android.support.constraint:constraint-layout:1.0.2'
+    implementation 'com.android.support.constraint:constraint-layout:1.1.0'
     implementation "com.takisoft.fix:preference-v7:$takisoftFixVersion"
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jre7:$kotlinVersion"
     testImplementation 'junit:junit:4.12'