diff --git a/gradle.properties b/gradle.properties
index 57cfbbd..6d31b98 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1 +1 @@
-currentVersion=1.8.0
+currentVersion=1.8.1-SNAPSHOT
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 2a13e64..d406239 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-2.4-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.3.1-all.zip
diff --git a/src/main/groovy/com/jfrog/bintray/gradle/BintrayExtension.groovy b/src/main/groovy/com/jfrog/bintray/gradle/BintrayExtension.groovy
index acf0373..eacbb6a 100644
--- a/src/main/groovy/com/jfrog/bintray/gradle/BintrayExtension.groovy
+++ b/src/main/groovy/com/jfrog/bintray/gradle/BintrayExtension.groovy
@@ -1,7 +1,7 @@
 package com.jfrog.bintray.gradle
 
-import org.gradle.api.Action
 import org.gradle.api.Project
+import org.gradle.util.ConfigureUtil
 
 class BintrayExtension {
 
@@ -31,13 +31,13 @@ class BintrayExtension {
         this.project = project
     }
 
-    def pkg(Action<? super PackageConfig> action) {
-        action.execute(pkg)
+    def pkg(Closure closure) {
+        ConfigureUtil.configure(closure, pkg)
     }
 
-    def filesSpec(Action<? super RecordingCopyTask> action) {
-        filesSpec = project.tasks.create(RecordingCopyTask.NAME, RecordingCopyTask)
-        action.execute(filesSpec)
+    def filesSpec(Closure closure) {
+        filesSpec = project.task(type: RecordingCopyTask, RecordingCopyTask.NAME)
+        ConfigureUtil.configure(closure, filesSpec)
         filesSpec.outputs.upToDateWhen { false }
     }
 
@@ -58,13 +58,13 @@ class BintrayExtension {
         Map attributes
 
         VersionConfig version = new VersionConfig()
-        def version(Action<? super VersionConfig> action) {
-            action.execute(version)
+        def version(Closure closure) {
+            ConfigureUtil.configure(closure, version)
         }
 
         DebianConfig debian = new DebianConfig()
-        def debian(Action<? super DebianConfig> action) {
-            action.execute(debian)
+        def debian(Closure closure) {
+            ConfigureUtil.configure(closure, debian)
         }
     }
 
@@ -82,13 +82,13 @@ class BintrayExtension {
         Map attributes
 
         GpgConfig gpg = new GpgConfig()
-        def gpg(Action<? super GpgConfig> action) {
-            action.execute(gpg)
+        def gpg(Closure closure) {
+            ConfigureUtil.configure(closure, gpg)
         }
 
         MavenCentralSyncConfig mavenCentralSync = new MavenCentralSyncConfig()
-        def mavenCentralSync(Action<? super MavenCentralSyncConfig> action) {
-            action.execute(mavenCentralSync)
+        def mavenCentralSync(Closure closure) {
+            ConfigureUtil.configure(closure, mavenCentralSync)
         }
     }
 
@@ -103,4 +103,4 @@ class BintrayExtension {
         String password
         String close
     }
-}
+}
\ No newline at end of file
diff --git a/src/test/resources/gradle/projects/configuration/build.gradle b/src/test/resources/gradle/projects/configuration/build.gradle
index 4fd4358..9aa496f 100644
--- a/src/test/resources/gradle/projects/configuration/build.gradle
+++ b/src/test/resources/gradle/projects/configuration/build.gradle
@@ -4,7 +4,7 @@ buildscript {
         jcenter()
     }
     dependencies {
-        classpath "com.jfrog.bintray.gradle:gradle-bintray-plugin:1.8.0-SNAPSHOT"
+        classpath "com.jfrog.bintray.gradle:gradle-bintray-plugin:1.8.1-SNAPSHOT"
     }
 }
 
diff --git a/src/test/resources/gradle/projects/fileSpec/build.gradle b/src/test/resources/gradle/projects/fileSpec/build.gradle
index 5623a91..42ee995 100644
--- a/src/test/resources/gradle/projects/fileSpec/build.gradle
+++ b/src/test/resources/gradle/projects/fileSpec/build.gradle
@@ -5,7 +5,7 @@ buildscript {
     }
 
     dependencies {
-        classpath "com.jfrog.bintray.gradle:gradle-bintray-plugin:1.8.0-SNAPSHOT"
+        classpath "com.jfrog.bintray.gradle:gradle-bintray-plugin:1.8.1-SNAPSHOT"
     }
 }
 
diff --git a/src/test/resources/gradle/projects/publication/build.gradle b/src/test/resources/gradle/projects/publication/build.gradle
index f0f142a..6951d0d 100644
--- a/src/test/resources/gradle/projects/publication/build.gradle
+++ b/src/test/resources/gradle/projects/publication/build.gradle
@@ -5,7 +5,7 @@ buildscript {
     }
 
     dependencies {
-        classpath "com.jfrog.bintray.gradle:gradle-bintray-plugin:1.8.0-SNAPSHOT"
+        classpath "com.jfrog.bintray.gradle:gradle-bintray-plugin:1.8.1-SNAPSHOT"
     }
 }