diff --git a/pom.xml b/pom.xml
index 2714406..8d5c9b5 100644
--- a/pom.xml
+++ b/pom.xml
@@ -19,8 +19,8 @@
 
  <properties>
   <scalastyle.artifactId>scalastyle_2.11</scalastyle.artifactId>
-  <scalastyle.version>1.1.0-SNAPSHOT</scalastyle.version>
-  <maven.version>3.0</maven.version>
+  <scalastyle.version>1.0.0</scalastyle.version>
+  <maven.version>3.5.2</maven.version>
   <maven.compiler.source>1.5</maven.compiler.source>
   <maven.compiler.target>1.5</maven.compiler.target>
   <junit.version>4.11</junit.version>
@@ -41,7 +41,7 @@
   <dependency>
    <groupId>org.apache.maven.plugin-tools</groupId>
    <artifactId>maven-plugin-annotations</artifactId>
-   <version>3.2</version>
+   <version>3.5</version>
    <scope>provided</scope>
   </dependency>
   <dependency>
@@ -53,7 +53,7 @@
   <dependency>
    <groupId>org.codehaus.plexus</groupId>
    <artifactId>plexus-resources</artifactId>
-   <version>1.0-alpha-7</version>
+   <version>1.1.0</version>
   </dependency>
 
   <dependency>
diff --git a/src/main/java/org/scalastyle/maven/plugin/ScalastyleViolationCheckMojo.java b/src/main/java/org/scalastyle/maven/plugin/ScalastyleViolationCheckMojo.java
index 17d52ba..997a078 100644
--- a/src/main/java/org/scalastyle/maven/plugin/ScalastyleViolationCheckMojo.java
+++ b/src/main/java/org/scalastyle/maven/plugin/ScalastyleViolationCheckMojo.java
@@ -56,7 +56,7 @@
 /**
  * Entry point for scalastyle maven plugin.
  */
-@Mojo(name = "check", defaultPhase = LifecyclePhase.VERIFY, requiresProject = true, requiresDependencyResolution = ResolutionScope.TEST)
+@Mojo(name = "check", threadSafe = true, defaultPhase = LifecyclePhase.VERIFY, requiresProject = true, requiresDependencyResolution = ResolutionScope.TEST)
 public class ScalastyleViolationCheckMojo extends AbstractMojo {
 
     /**