diff --git a/app/build.gradle.kts b/app/build.gradle.kts
index c0c224b..6146dee 100644
--- a/app/build.gradle.kts
+++ b/app/build.gradle.kts
@@ -16,7 +16,7 @@ kotlin {
     androidTarget {
         @OptIn(ExperimentalKotlinGradlePluginApi::class)
         compilerOptions {
-            jvmTarget.set(JvmTarget.JVM_11)
+            jvmTarget.set(JvmTarget.JVM_17)
         }
     }
     
diff --git a/gdg-chapter/build.gradle.kts b/gdg-chapter/build.gradle.kts
index 0fb0e43..43c4293 100644
--- a/gdg-chapter/build.gradle.kts
+++ b/gdg-chapter/build.gradle.kts
@@ -8,6 +8,7 @@ plugins {
 
 kotlin {
     androidTarget()
+    jvmToolchain(17)
 
     val xcf = XCFramework()
     listOf(
diff --git a/gdg-events/build.gradle.kts b/gdg-events/build.gradle.kts
index 2affd7b..e7e6035 100644
--- a/gdg-events/build.gradle.kts
+++ b/gdg-events/build.gradle.kts
@@ -11,6 +11,7 @@ plugins {
 
 kotlin {
     androidTarget()
+    jvmToolchain(17)
 
     val xcf = XCFramework()
     listOf(
diff --git a/gdg-network/build.gradle.kts b/gdg-network/build.gradle.kts
index 2b0473a..79682bb 100644
--- a/gdg-network/build.gradle.kts
+++ b/gdg-network/build.gradle.kts
@@ -8,6 +8,7 @@ plugins {
 
 kotlin {
     androidTarget()
+    jvmToolchain(17)
 
     val xcf = XCFramework()
     listOf(