diff --git a/gradle.properties b/gradle.properties
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,2 +1,2 @@
 group=org.implab.gradle
-version=1.0.0
\ No newline at end of file
+version=1.0.1
\ No newline at end of file
diff --git a/mercurial/src/main/java/org/implab/gradle/mercurial/MercurialExtension.java b/mercurial/src/main/java/org/implab/gradle/mercurial/MercurialExtension.java
--- a/mercurial/src/main/java/org/implab/gradle/mercurial/MercurialExtension.java
+++ b/mercurial/src/main/java/org/implab/gradle/mercurial/MercurialExtension.java
@@ -11,7 +11,6 @@ import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
 import org.gradle.api.Project;
-import org.implab.gradle.Utils;
 
 import groovy.lang.Closure;
 
diff --git a/mercurial/src/main/java/org/implab/gradle/Utils.java b/mercurial/src/main/java/org/implab/gradle/mercurial/Utils.java
rename from mercurial/src/main/java/org/implab/gradle/Utils.java
rename to mercurial/src/main/java/org/implab/gradle/mercurial/Utils.java
--- a/mercurial/src/main/java/org/implab/gradle/Utils.java
+++ b/mercurial/src/main/java/org/implab/gradle/mercurial/Utils.java
@@ -1,4 +1,4 @@
-package org.implab.gradle;
+package org.implab.gradle.mercurial;
 
 import java.io.ByteArrayOutputStream;
 import java.io.Closeable;
diff --git a/mercurial/src/main/java/org/implab/gradle/mercurial/tasks/HgBookmark.java b/mercurial/src/main/java/org/implab/gradle/mercurial/tasks/HgBookmark.java
--- a/mercurial/src/main/java/org/implab/gradle/mercurial/tasks/HgBookmark.java
+++ b/mercurial/src/main/java/org/implab/gradle/mercurial/tasks/HgBookmark.java
@@ -12,8 +12,8 @@ import org.gradle.api.provider.ListPrope
 import org.gradle.api.provider.Property;
 import org.gradle.api.tasks.Internal;
 import org.gradle.api.tasks.TaskAction;
-import org.implab.gradle.Utils;
 import org.implab.gradle.mercurial.MercurialExtension;
+import org.implab.gradle.mercurial.Utils;
 
 public class HgBookmark extends DefaultTask {
 
diff --git a/mercurial/src/main/java/org/implab/gradle/mercurial/tasks/HgTag.java b/mercurial/src/main/java/org/implab/gradle/mercurial/tasks/HgTag.java
--- a/mercurial/src/main/java/org/implab/gradle/mercurial/tasks/HgTag.java
+++ b/mercurial/src/main/java/org/implab/gradle/mercurial/tasks/HgTag.java
@@ -12,8 +12,8 @@ import org.gradle.api.provider.ListPrope
 import org.gradle.api.provider.Property;
 import org.gradle.api.tasks.Internal;
 import org.gradle.api.tasks.TaskAction;
-import org.implab.gradle.Utils;
 import org.implab.gradle.mercurial.MercurialExtension;
+import org.implab.gradle.mercurial.Utils;
 
 public class HgTag extends DefaultTask {
 
diff --git a/mercurial/src/main/java/org/implab/gradle/mercurial/tasks/HgTask.java b/mercurial/src/main/java/org/implab/gradle/mercurial/tasks/HgTask.java
--- a/mercurial/src/main/java/org/implab/gradle/mercurial/tasks/HgTask.java
+++ b/mercurial/src/main/java/org/implab/gradle/mercurial/tasks/HgTask.java
@@ -9,8 +9,8 @@ import org.gradle.api.provider.Property;
 import org.gradle.api.provider.Provider;
 import org.gradle.api.tasks.Internal;
 import org.gradle.api.tasks.TaskAction;
-import org.implab.gradle.Utils;
 import org.implab.gradle.mercurial.MercurialExtension;
+import org.implab.gradle.mercurial.Utils;
 
 public class HgTask extends DefaultTask {
 
diff --git a/readme.md b/readme.md
--- a/readme.md
+++ b/readme.md
@@ -5,7 +5,7 @@
 ```groovy
 
 plugins {
-    id 'org.implab.gradle-mercurial' version '1.0.0' // or specify latest version
+    id 'org.implab.gradle-mercurial' version '1.0.1' // specify the latest version
 }
 
 mercurial {
@@ -15,7 +15,7 @@ mercurial {
         // this is the default behaviour
         .addPatch(1)
         .withPreRelease('snapshot')
-        .withMeta('changeset')
+        .withMeta(changeset)
     }
 
     // get version from repository and apply it to the project