diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 80b947e3e..ec40a8a2d 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -88,5 +88,5 @@ pluginPublish = { id = "com.gradle.plugin-publish", version = "2.0.0" }
 gitProperties = { id = "com.gorylenko.gradle-git-properties", version = "2.5.4" }
 mavenPluginDevelopment = { id = "org.gradlex.maven-plugin-development", version = "1.0.3" }
 shadow = { id = "com.gradleup.shadow", version = "9.3.0" }
-kotlinJvm = { id = "org.jetbrains.kotlin.jvm", version = "2.2.21" }
-jlink = { id = "org.beryx.jlink", version = "3.1.5" }
+kotlinJvm = { id = "org.jetbrains.kotlin.jvm", version = "2.3.0" }
+jlink = { id = "org.beryx.jlink", version = "3.2.0" }
diff --git a/installer/build.gradle.kts b/installer/build.gradle.kts
index 358aa6d21..2a141ee08 100644
--- a/installer/build.gradle.kts
+++ b/installer/build.gradle.kts
@@ -64,7 +64,6 @@ val RUNTIME_JDK_VERSION = "21.0.6+7"
 jlink {
 	forceMerge("kotlin")
 	options = listOf(
-		"--compress", "2",
 		"--no-header-files",
 		"--no-man-pages",
 		"--dedup-legal-notices", "error-if-not-same-content"
diff --git a/settings.gradle.kts b/settings.gradle.kts
index 32dd49ed6..00a424d49 100644
--- a/settings.gradle.kts
+++ b/settings.gradle.kts
@@ -1,6 +1,6 @@
 pluginManagement {
     plugins {
-        kotlin("jvm") version "2.2.21"
+        kotlin("jvm") version "2.3.0"
     }
 }
 
diff --git a/teamscale-gradle-plugin/src/main/kotlin/com/teamscale/utils/Reports.kt b/teamscale-gradle-plugin/src/main/kotlin/com/teamscale/utils/Reports.kt
index 1bb38c2ca..fec34d312 100644
--- a/teamscale-gradle-plugin/src/main/kotlin/com/teamscale/utils/Reports.kt
+++ b/teamscale-gradle-plugin/src/main/kotlin/com/teamscale/utils/Reports.kt
@@ -231,7 +231,7 @@ open class Reports<T : Report>(objectFactory: ObjectFactory, clazz: Class<T>) :
 		return reports.collectionSchema
 	}
 
-	override fun findAll(spec: Closure<*>): Set<T?> {
+	override fun findAll(spec: Closure<Any>): MutableSet<T> {
 		return reports.findAll(spec)
 	}