diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8d60f9f..a8f271e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,6 +10,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - html builders for readme
 
 ### Changed
+- Kotlin 1.6.0
+- Use indy lambdas by default #32 
 
 ### Deprecated
 
diff --git a/build.gradle.kts b/build.gradle.kts
index 7915526..863a158 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -96,6 +96,7 @@ gradlePlugin {
 
 //publishing version catalog
 
+@Suppress("UnstableApiUsage")
 catalog.versionCatalog {
     from(files("gradle/libs.versions.toml"))
 }
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 32c3e5c..0ff079c 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -1,11 +1,11 @@
 [versions]
-tools = "0.10.6"
-kotlin = "1.6.0-RC2"
-atomicfu = "0.16.2"
-binary-compatibility-validator = "0.7.1"
-changelog = "1.3.0"
-dokka = "1.5.0"
-kotlin-jupyter = "0.10.3-31"
+tools = "0.10.7"
+kotlin = "1.6.0"
+atomicfu = "0.16.3"
+binary-compatibility-validator = "0.8.0"
+changelog = "1.3.1"
+dokka = "1.5.30"
+kotlin-jupyter = "0.10.3-36"
 kotlinx-benchmark = "0.3.1"
 kotlinx-cli = "0.3.3"
 kotlinx-collections-immutable = "0.3.4"
@@ -14,11 +14,12 @@ kotlinx-datetime = "0.3.1"
 kotlinx-html = "0.7.3"
 kotlinx-knit = "0.2.3"
 kotlinx-nodejs = "0.0.7"
-kotlinx-serialization = "1.3.0"
+kotlinx-serialization = "1.3.1"
 ktor = "1.6.3"
 xmlutil = "0.83.0"
 yamlkt = "0.10.2"
-jsBom = "0.0.1-pre.263-kotlin-1.5.31"
+jsBom = "0.0.1-pre.265-kotlin-1.5.31"
+junit = "5.8.1"
 
 [libraries]
 atomicfu-gradle = { module = "org.jetbrains.kotlinx:atomicfu-gradle-plugin", version.ref = "atomicfu" }
diff --git a/src/main/kotlin/ru/mipt/npm/gradle/KScienceCommonPlugin.kt b/src/main/kotlin/ru/mipt/npm/gradle/KScienceCommonPlugin.kt
index 1ee4e43..ee8db3a 100644
--- a/src/main/kotlin/ru/mipt/npm/gradle/KScienceCommonPlugin.kt
+++ b/src/main/kotlin/ru/mipt/npm/gradle/KScienceCommonPlugin.kt
@@ -17,6 +17,11 @@ import ru.mipt.npm.gradle.internal.fromJsDependencies
 
 @Suppress("UNUSED_VARIABLE")
 public open class KScienceCommonPlugin : Plugin<Project> {
+    public companion object{
+        public val defaultJvmArgs: List<String> = listOf("-Xjvm-default=all","-Xlambdas=indy")
+    }
+
+
     override fun apply(project: Project): Unit = project.run {
         //Common configuration
         registerKScienceExtension()
@@ -35,14 +40,14 @@ public open class KScienceCommonPlugin : Plugin<Project> {
                 sourceSets["test"].apply {
                     dependencies {
                         implementation(kotlin("test-junit5"))
-                        implementation("org.junit.jupiter:junit-jupiter:5.6.1")
+                        implementation("org.junit.jupiter:junit-jupiter:${KScienceVersions.junit}")
                     }
                 }
             }
             tasks.withType<KotlinJvmCompile> {
                 kotlinOptions {
                     jvmTarget = KScienceVersions.JVM_TARGET.toString()
-                    freeCompilerArgs = freeCompilerArgs + "-Xjvm-default=all"
+                    freeCompilerArgs = freeCompilerArgs + defaultJvmArgs
                 }
             }
 
@@ -99,7 +104,7 @@ public open class KScienceCommonPlugin : Plugin<Project> {
                     compilations.all {
                         kotlinOptions {
                             jvmTarget = KScienceVersions.JVM_TARGET.toString()
-                            freeCompilerArgs = freeCompilerArgs + "-Xjvm-default=all"
+                            freeCompilerArgs = freeCompilerArgs + defaultJvmArgs
                         }
                     }
                 }
@@ -128,7 +133,7 @@ public open class KScienceCommonPlugin : Plugin<Project> {
                     val jvmTest by getting {
                         dependencies {
                             implementation(kotlin("test-junit5"))
-                            implementation("org.junit.jupiter:junit-jupiter:5.7.2")
+                            implementation("org.junit.jupiter:junit-jupiter:${KScienceVersions.junit}")
                         }
                     }
                     val jsMain by getting
diff --git a/src/main/kotlin/ru/mipt/npm/gradle/KScienceVersions.kt b/src/main/kotlin/ru/mipt/npm/gradle/KScienceVersions.kt
index e871acd..296ad2d 100644
--- a/src/main/kotlin/ru/mipt/npm/gradle/KScienceVersions.kt
+++ b/src/main/kotlin/ru/mipt/npm/gradle/KScienceVersions.kt
@@ -22,6 +22,7 @@ public object KScienceVersions {
     public val htmlVersion: String get() = toml.getString("versions.kotlinx-html")!!
     public val dateTimeVersion: String get() = toml.getString("versions.kotlinx-datetime")!!
     public val jsBom: String get() = toml.getString("versions.jsBom")!!
+    internal val junit: String get() = toml.getString("versions.junit")!!
 
     public val JVM_TARGET: JavaVersion = JavaVersion.VERSION_11