diff --git a/gradle/kotlin.gradle b/gradle/kotlin.gradle
index 2d790a97b..aef735ac5 100644
--- a/gradle/kotlin.gradle
+++ b/gradle/kotlin.gradle
@@ -5,7 +5,7 @@ apply plugin: "kotlin-allopen"
 compileKotlin {
   kotlinOptions {
     languageVersion = "1.6"
-    jvmTarget = "11"
+    jvmTarget = "17"
     // see https://kotlinlang.org/docs/java-to-kotlin-interop.html#compatibility-mode-for-default-methods
     freeCompilerArgs += "-Xjvm-default=enable"
   }
@@ -14,7 +14,7 @@ compileKotlin {
 compileTestKotlin {
   kotlinOptions {
     languageVersion = "1.6"
-    jvmTarget = "11"
+    jvmTarget = "17"
     freeCompilerArgs += "-Xjvm-default=enable"
   }
 }