diff --git a/build.gradle.kts b/build.gradle.kts
index 489f01c..eae2335 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -8,7 +8,7 @@ plugins {
 }
 
 group = "ru.mipt.npm"
-version = "0.6.0"
+version = "0.6.0-dev-1"
 
 repositories {
     gradlePluginPortal()
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 6c9a224..12d38de 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-6.6-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.6.1-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/src/main/kotlin/ru/mipt/npm/gradle/KScienceExtension.kt b/src/main/kotlin/ru/mipt/npm/gradle/KScienceExtension.kt
index 1f96e93..7823a2d 100644
--- a/src/main/kotlin/ru/mipt/npm/gradle/KScienceExtension.kt
+++ b/src/main/kotlin/ru/mipt/npm/gradle/KScienceExtension.kt
@@ -49,7 +49,7 @@ class KScienceExtension(val project: Project) {
      * Mark this module as an application module. JVM application should be enabled separately
      */
     fun application() {
-        project.extensions.configure<KotlinProjectExtension> {
+        project.extensions.findByType<KotlinProjectExtension>()?.apply {
             explicitApi = null
         }
         project.extensions.findByType<KotlinJsProjectExtension>()?.apply {