diff --git a/gradle/plugins/build.gradle.kts b/gradle/plugins/build.gradle.kts
index 254b329..1f98f83 100644
--- a/gradle/plugins/build.gradle.kts
+++ b/gradle/plugins/build.gradle.kts
@@ -27,7 +27,7 @@ dependencies {
 
 val compileKotlin: KotlinCompile by tasks
 compileKotlin.kotlinOptions {
-    jvmTarget = "1.8"
+    jvmTarget = "17"
 }
 
 gradlePlugin {
diff --git a/gradle/plugins/src/main/java/apigen/ApiGeneratorPlugin.kt b/gradle/plugins/src/main/java/apigen/ApiGeneratorPlugin.kt
index fcaf17a..e366b3f 100644
--- a/gradle/plugins/src/main/java/apigen/ApiGeneratorPlugin.kt
+++ b/gradle/plugins/src/main/java/apigen/ApiGeneratorPlugin.kt
@@ -52,7 +52,7 @@ abstract class ApiGeneratorPlugin : Plugin<Project> {
         val outputLanguage = extension.outputLanguage ?: throw IllegalStateException("Configure output language code for api generator plugin")
 
         javaexec {
-            main = "-jar"
+            setMain("-jar")
             workingDir = rootDir
             args = listOfNotNull(
                     configurations.getByName("apiGenerator").asPath,
diff --git a/gradle/plugins/src/main/java/apigen/SwaggerApiGeneratorAndroidPlugin.kt b/gradle/plugins/src/main/java/apigen/SwaggerApiGeneratorAndroidPlugin.kt
index fa7887b..7496309 100644
--- a/gradle/plugins/src/main/java/apigen/SwaggerApiGeneratorAndroidPlugin.kt
+++ b/gradle/plugins/src/main/java/apigen/SwaggerApiGeneratorAndroidPlugin.kt
@@ -63,7 +63,7 @@ class SwaggerApiGeneratorAndroidPlugin : Plugin<Project> {
             workingDir = file(taskWorkingDir)
             classpath = files(configurations.getByName(GENERATOR_CONFIG).asPath,
                     configurations.getByName(TI_GENERATOR_CONFIG).asPath)
-            main = "io.swagger.codegen.v3.cli.SwaggerCodegen"
+            setMain("io.swagger.codegen.v3.cli.SwaggerCodegen")
             args = listOfNotNull(
                 "generate",
                 "-i",
diff --git a/gradle/plugins/src/main/java/static_analysis/linters/CpdLinter.kt b/gradle/plugins/src/main/java/static_analysis/linters/CpdLinter.kt
index 68e4be7..709fd22 100644
--- a/gradle/plugins/src/main/java/static_analysis/linters/CpdLinter.kt
+++ b/gradle/plugins/src/main/java/static_analysis/linters/CpdLinter.kt
@@ -3,6 +3,7 @@ package static_analysis.linters
 import de.aaschmid.gradle.plugins.cpd.Cpd
 import de.aaschmid.gradle.plugins.cpd.CpdExtension
 import org.gradle.api.Project
+import org.gradle.api.file.RegularFileProperty
 import org.gradle.kotlin.dsl.findByType
 import org.gradle.kotlin.dsl.withType
 import static_analysis.errors.CpdError
@@ -42,7 +43,7 @@ class CpdLinter : Linter {
             }
             tasks.withType<Cpd> {
                 reports.xml.required.set(true)
-                reports.xml.destination = getCpdReportFile()
+                reports.xml.setDestination(getCpdReportFile())
                 ignoreFailures = true
                 source = getSources(extension.excludes)
             }