diff --git a/app/build.gradle b/app/build.gradle
index 5f307b1..295b474 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -23,8 +23,8 @@ android {
         }
     }
     compileOptions {
-        sourceCompatibility JavaVersion.VERSION_1_8
-        targetCompatibility JavaVersion.VERSION_1_8
+        sourceCompatibility JavaVersion.VERSION_11
+        targetCompatibility JavaVersion.VERSION_11
     }
     kotlinOptions {
         jvmTarget = '1.8'
diff --git a/build.gradle b/build.gradle
index 8d55324..ad24648 100644
--- a/build.gradle
+++ b/build.gradle
@@ -13,7 +13,6 @@ buildscript {
         // in the individual module build.gradle files
     }
 
-
 }
 
 
diff --git a/sonictimer/build.gradle b/sonictimer/build.gradle
index 108a2ca..0737787 100644
--- a/sonictimer/build.gradle
+++ b/sonictimer/build.gradle
@@ -23,8 +23,8 @@ android {
         }
     }
     compileOptions {
-        sourceCompatibility JavaVersion.VERSION_1_8
-        targetCompatibility JavaVersion.VERSION_1_8
+        sourceCompatibility JavaVersion.VERSION_11
+        targetCompatibility JavaVersion.VERSION_11
     }
     kotlinOptions {
         jvmTarget = '1.8'