diff --git a/aws-lambda-url/gradle.properties b/aws-lambda-url/gradle.properties
index 7fc6f1f..ee6d664 100644
--- a/aws-lambda-url/gradle.properties
+++ b/aws-lambda-url/gradle.properties
@@ -1 +1,4 @@
 kotlin.code.style=official
+junitVersion=5.7.2
+kotlinVersion=1.9.0
+http4kVersion=5.6.1.0
diff --git a/aws-lambda-url/hello-function/build.gradle.kts b/aws-lambda-url/hello-function/build.gradle.kts
index 178be0b..a3833cf 100644
--- a/aws-lambda-url/hello-function/build.gradle.kts
+++ b/aws-lambda-url/hello-function/build.gradle.kts
@@ -1,7 +1,7 @@
 dependencies {
-    implementation(platform("org.http4k:http4k-bom:5.2.1.0"))
+    implementation(platform("org.http4k:http4k-bom:${project.properties["http4kVersion"]}"))
     implementation("org.http4k:http4k-core")
-    implementation("org.http4k:http4k-serverless-lambda:5.2.1.0")
+    implementation("org.http4k:http4k-serverless-lambda")
 }
 
 tasks.register("buildLambdaZip", Zip::class) {
@@ -10,4 +10,4 @@ tasks.register("buildLambdaZip", Zip::class) {
     into("lib") {
         from(configurations.compileClasspath)
     }
-}
\ No newline at end of file
+}