diff --git a/build-logic/src/main/kotlin/module.gradle.kts b/build-logic/src/main/kotlin/module.gradle.kts
index 420dde7d086..0404d7b5272 100644
--- a/build-logic/src/main/kotlin/module.gradle.kts
+++ b/build-logic/src/main/kotlin/module.gradle.kts
@@ -83,19 +83,12 @@ configurations.create("coverageDataElements") {
 tasks.withType<KotlinCompile>().configureEach {
     kotlinOptions {
         jvmTarget = Versions.JVM_TARGET
-        languageVersion = "1.5"
+        languageVersion = "1.6"
         apiVersion = "1.4"
         freeCompilerArgs = listOf(
             "-progressive",
             "-Xopt-in=kotlin.RequiresOptIn"
         )
-        // Usage: <code>./gradlew build -PwarningsAsErrors=true</code>.
-        // Note: currently there are warnings for detekt-gradle-plugin that seemingly can't be fixed
-        //       until Gradle releases an update (https://github.com/gradle/gradle/issues/16345)
-        allWarningsAsErrors = when (project.name) {
-            "detekt-gradle-plugin" -> false
-            else -> (project.findProperty("warningsAsErrors") == "true" || System.getenv("CI") == "true")
-        }
     }
 }
 
diff --git a/detekt-cli/src/main/kotlin/io/gitlab/arturbosch/detekt/cli/CliArgs.kt b/detekt-cli/src/main/kotlin/io/gitlab/arturbosch/detekt/cli/CliArgs.kt
index 3a7d43dda86..4d2714a5d2d 100644
--- a/detekt-cli/src/main/kotlin/io/gitlab/arturbosch/detekt/cli/CliArgs.kt
+++ b/detekt-cli/src/main/kotlin/io/gitlab/arturbosch/detekt/cli/CliArgs.kt
@@ -189,7 +189,7 @@ class CliArgs {
     @Parameter(
         names = ["--jvm-target"],
         description = "EXPERIMENTAL: Target version of the generated JVM bytecode that was generated during " +
-            "compilation and is now being used for type resolution (1.6, 1.8, 9, 10, 11, 12, 13, 14, 15 or 16)"
+            "compilation and is now being used for type resolution (1.6, 1.8, 9, 10, 11, 12, 13, 14, 15, 16 or 17)"
     )
     var jvmTarget: String = JvmTarget.DEFAULT.description
 
diff --git a/detekt-gradle-plugin/build.gradle.kts b/detekt-gradle-plugin/build.gradle.kts
index 21b7202b141..21f269eabd4 100644
--- a/detekt-gradle-plugin/build.gradle.kts
+++ b/detekt-gradle-plugin/build.gradle.kts
@@ -1,3 +1,6 @@
+import org.gradle.api.internal.classpath.ModuleRegistry
+import org.gradle.kotlin.dsl.support.serviceOf
+
 plugins {
     id("module")
     `java-gradle-plugin`
@@ -20,6 +23,19 @@ testing {
                 implementation(libs.kotlin.gradle)
                 implementation(gradleKotlinDsl())
                 runtimeOnly(libs.spek.runner)
+
+                // Workaround for gradle/gradle#16774, see
+                // https://github.com/gradle/gradle/issues/16774#issuecomment-853407822
+                // This should be reviewed and dropped if fixed as planned in Gradle 7.5
+                runtimeOnly(
+                    files(
+                        serviceOf<ModuleRegistry>()
+                            .getModule("gradle-tooling-api-builders")
+                            .classpath
+                            .asFiles
+                            .first()
+                    )
+                )
             }
         }
         register("functionalTest", JvmTestSuite::class) {
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 435b8134e52..078688cb05d 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -1,7 +1,7 @@
 [versions]
 dokka = "1.6.0"
 jacoco = "0.8.7"
-kotlin = "1.5.31"
+kotlin = "1.6.10"
 ktlint = "0.42.1"
 spek = "2.0.17"