diff --git a/shared-opt-dir/agency-parser/build.gradle b/shared-opt-dir/agency-parser/build.gradle
index ec870d20..cf6c7859 100644
--- a/shared-opt-dir/agency-parser/build.gradle
+++ b/shared-opt-dir/agency-parser/build.gradle
@@ -1,3 +1,5 @@
+import org.jetbrains.kotlin.gradle.dsl.JvmTarget
+
 plugins {
     id("application") // includes "java" plugin
     alias(libs.plugins.kotlin.jvm)
@@ -26,7 +28,7 @@ java {
 
 kotlin {
     compilerOptions {
-        jvmTarget = rootProject.kotlinJvmTarget
+        jvmTarget = JvmTarget.fromTarget(rootProject.javaVersion.toString())
         allWarningsAsErrors = true
     }
 }
diff --git a/shared/app-android/build.gradle b/shared/app-android/build.gradle
index 015d0376..f6aeda7e 100644
--- a/shared/app-android/build.gradle
+++ b/shared/app-android/build.gradle
@@ -59,7 +59,7 @@ android {
     }
     kotlin {
         compilerOptions {
-            // jvmTarget = rootProject.kotlinJvmTarget // same as android.compileOptions.targetCompatibility
+            // jvmTarget = JvmTarget.fromTarget(rootProject.javaVersion.toString()) // same as android.compileOptions.targetCompatibility
             // allWarningsAsErrors = true // replaced by "DeprecatedCall" in lint
         }
     }
diff --git a/shared/build.gradle b/shared/build.gradle
index ca46a00f..99eec9fb 100644
--- a/shared/build.gradle
+++ b/shared/build.gradle
@@ -1,7 +1,6 @@
 buildscript {
     ext {
         javaVersion = JavaVersion.VERSION_11
-        kotlinJvmTarget = "JVM_11" // same as javaVersion
         javaToolchainVersion = JavaVersion.VERSION_17
     }