diff --git a/app/build.gradle b/app/build.gradle
index e3467674..5e182ab1 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -1,7 +1,7 @@
 apply plugin: 'com.android.application'
 
 android {
-    compileSdkVersion 27
+    compileSdkVersion 28
 
     dependencies {
         implementation 'com.android.support:support-annotations:27.1.1'
diff --git a/terminal-emulator/build.gradle b/terminal-emulator/build.gradle
index fc972e0c..2f66e83c 100644
--- a/terminal-emulator/build.gradle
+++ b/terminal-emulator/build.gradle
@@ -17,11 +17,11 @@ ext {
 }
 
 android {
-    compileSdkVersion 27
+    compileSdkVersion 28
 
     defaultConfig {
         minSdkVersion 21
-        targetSdkVersion 27
+        targetSdkVersion 28
 
         externalNativeBuild {
             ndkBuild {
diff --git a/terminal-view/build.gradle b/terminal-view/build.gradle
index 72cbdcb6..10c52e38 100644
--- a/terminal-view/build.gradle
+++ b/terminal-view/build.gradle
@@ -17,7 +17,7 @@ ext {
 }
 
 android {
-    compileSdkVersion 27
+    compileSdkVersion 28
 
     dependencies {
         implementation 'com.android.support:support-annotations:27.1.1'
@@ -26,7 +26,7 @@ android {
 
     defaultConfig {
         minSdkVersion 21
-        targetSdkVersion 27
+        targetSdkVersion 28
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
     }