diff --git a/app/cli-ac/build.gradle b/app/cli-ac/build.gradle
index a6c1e55..f64b3cf 100644
--- a/app/cli-ac/build.gradle
+++ b/app/cli-ac/build.gradle
@@ -3,8 +3,8 @@ plugins {
     id 'application'
 }
 
-sourceCompatibility = 1.8
-targetCompatibility = 1.8
+sourceCompatibility = 11
+targetCompatibility = 11
 
 repositories {
     mavenCentral()
diff --git a/lib/ac-api/build.gradle b/lib/ac-api/build.gradle
index d957d01..e822055 100644
--- a/lib/ac-api/build.gradle
+++ b/lib/ac-api/build.gradle
@@ -7,8 +7,8 @@ plugins {
 ext.isSnapshotVersion = version.endsWith("SNAPSHOT")
 ext.isReleaseVersion = !ext.isSnapshotVersion
 
-sourceCompatibility = 1.8
-targetCompatibility = 1.8
+sourceCompatibility = 11
+targetCompatibility = 11
 
 repositories {
     mavenCentral()