diff --git a/build.gradle b/build.gradle
index f938de8f..f4b76db4 100644
--- a/build.gradle
+++ b/build.gradle
@@ -7,9 +7,8 @@ application {
   mainClass = 'projections.analysis.ProjMain'
 }
 
-java {
-  sourceCompatibility = 1.8
-  targetCompatibility = 1.8
+tasks.withType(JavaCompile).configureEach {
+  options.release = 17
 }
 
 version = '6.10.0'
diff --git a/gradle.properties b/gradle.properties
new file mode 100644
index 00000000..811ac2ef
--- /dev/null
+++ b/gradle.properties
@@ -0,0 +1,2 @@
+org.gradle.configuration-cache=true
+org.gradle.caching=true