diff --git a/build.gradle.kts b/build.gradle.kts
index 61b5f90..aa6a0b2 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -39,8 +39,8 @@ dependencies {
 }
 
 java {
-    sourceCompatibility = JavaVersion.VERSION_17
-    targetCompatibility = JavaVersion.VERSION_17
+    sourceCompatibility = JavaVersion.VERSION_16
+    targetCompatibility = JavaVersion.VERSION_16
 }
 
 tasks.test {
@@ -48,7 +48,7 @@ tasks.test {
 }
 
 tasks.withType<KotlinCompile>() {
-        kotlinOptions.jvmTarget = "17"
+        kotlinOptions.jvmTarget = "16"
 }
 
 application {
diff --git a/compile.sh b/compile.sh
index ad9d42d..b7de14a 100755
--- a/compile.sh
+++ b/compile.sh
@@ -1,3 +1,3 @@
 #!/bin/sh
 
-kotlinc app/src/main/kotlin/de/jotoho/waituntil/*.kt -jvm-target 17 -include-runtime -d waituntil.jar
+kotlinc app/src/main/kotlin/de/jotoho/waituntil/*.kt -jvm-target 16 -include-runtime -d waituntil.jar