diff --git a/src/main/groovy/io/repaint/maven/tiles/AttachTileMojo.groovy b/src/main/groovy/io/repaint/maven/tiles/AttachTileMojo.groovy
index 04e1155..9b6e649 100644
--- a/src/main/groovy/io/repaint/maven/tiles/AttachTileMojo.groovy
+++ b/src/main/groovy/io/repaint/maven/tiles/AttachTileMojo.groovy
@@ -16,7 +16,7 @@ import org.apache.maven.project.MavenProjectHelper
  * @author: Mark Derricutt - https://plus.google.com/+MarkDerricutt
  */
 @CompileStatic
-@Mojo(name = "attach-tile", requiresProject = true, requiresDependencyResolution = ResolutionScope.NONE, defaultPhase = LifecyclePhase.PACKAGE)
+@Mojo(name = "attach-tile", requiresProject = true, requiresDependencyResolution = ResolutionScope.NONE, defaultPhase = LifecyclePhase.PACKAGE, threadSafe = true)
 class AttachTileMojo extends AbstractTileMojo {
 
 	@Component
diff --git a/src/main/groovy/io/repaint/maven/tiles/ValidateTileMojo.groovy b/src/main/groovy/io/repaint/maven/tiles/ValidateTileMojo.groovy
index d0fc3c1..60cea44 100644
--- a/src/main/groovy/io/repaint/maven/tiles/ValidateTileMojo.groovy
+++ b/src/main/groovy/io/repaint/maven/tiles/ValidateTileMojo.groovy
@@ -1,10 +1,8 @@
 package io.repaint.maven.tiles
 
 import groovy.transform.CompileStatic
-import org.apache.maven.execution.MavenSession
 import org.apache.maven.plugin.MojoExecutionException
 import org.apache.maven.plugin.MojoFailureException
-import org.apache.maven.plugins.annotations.Component
 import org.apache.maven.plugins.annotations.Mojo
 import org.apache.maven.plugins.annotations.ResolutionScope
 
@@ -14,7 +12,7 @@ import org.apache.maven.plugins.annotations.ResolutionScope
  * @author: Mark Derricutt - https://plus.google.com/+MarkDerricutt
  */
 @CompileStatic
-@Mojo(name = "validate", requiresProject = true, requiresDependencyResolution = ResolutionScope.NONE)
+@Mojo(name = "validate", requiresProject = true, requiresDependencyResolution = ResolutionScope.NONE, threadSafe = true)
 class ValidateTileMojo extends AbstractTileMojo {
 
 	@Override
diff --git a/tiles-maven-plugin.iml b/tiles-maven-plugin.iml
new file mode 100644
index 0000000..793e576
--- /dev/null
+++ b/tiles-maven-plugin.iml
@@ -0,0 +1,58 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module org.jetbrains.idea.maven.project.MavenProjectsManager.isMavenModule="true" version="4">
+  <component name="NewModuleRootManager" LANGUAGE_LEVEL="JDK_1_8">
+    <output url="file://$MODULE_DIR$/target/classes" />
+    <output-test url="file://$MODULE_DIR$/target/test-classes" />
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$/src/main/resources" type="java-resource" />
+      <sourceFolder url="file://$MODULE_DIR$/src/test/resources" type="java-test-resource" />
+      <sourceFolder url="file://$MODULE_DIR$/target/generated-sources/plugin" isTestSource="false" generated="true" />
+      <excludeFolder url="file://$MODULE_DIR$/target" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+    <orderEntry type="library" name="Maven: org.codehaus.groovy:groovy-all:2.4.14" level="project" />
+    <orderEntry type="library" scope="PROVIDED" name="Maven: org.apache.maven:maven-core:3.3.9" level="project" />
+    <orderEntry type="library" scope="PROVIDED" name="Maven: org.apache.maven:maven-model:3.3.9" level="project" />
+    <orderEntry type="library" scope="PROVIDED" name="Maven: org.apache.maven:maven-settings:3.3.9" level="project" />
+    <orderEntry type="library" scope="PROVIDED" name="Maven: org.apache.maven:maven-settings-builder:3.3.9" level="project" />
+    <orderEntry type="library" scope="PROVIDED" name="Maven: org.apache.maven:maven-builder-support:3.3.9" level="project" />
+    <orderEntry type="library" scope="PROVIDED" name="Maven: org.apache.maven:maven-repository-metadata:3.3.9" level="project" />
+    <orderEntry type="library" scope="PROVIDED" name="Maven: org.apache.maven:maven-artifact:3.3.9" level="project" />
+    <orderEntry type="library" scope="PROVIDED" name="Maven: org.apache.maven:maven-plugin-api:3.3.9" level="project" />
+    <orderEntry type="library" scope="PROVIDED" name="Maven: org.apache.maven:maven-model-builder:3.3.9" level="project" />
+    <orderEntry type="library" scope="PROVIDED" name="Maven: com.google.guava:guava:18.0" level="project" />
+    <orderEntry type="library" scope="PROVIDED" name="Maven: org.apache.maven:maven-aether-provider:3.3.9" level="project" />
+    <orderEntry type="library" scope="PROVIDED" name="Maven: org.eclipse.aether:aether-spi:1.0.2.v20150114" level="project" />
+    <orderEntry type="library" scope="PROVIDED" name="Maven: org.eclipse.aether:aether-impl:1.0.2.v20150114" level="project" />
+    <orderEntry type="library" scope="PROVIDED" name="Maven: org.eclipse.aether:aether-api:1.0.2.v20150114" level="project" />
+    <orderEntry type="library" scope="PROVIDED" name="Maven: org.eclipse.aether:aether-util:1.0.2.v20150114" level="project" />
+    <orderEntry type="library" scope="PROVIDED" name="Maven: org.eclipse.sisu:org.eclipse.sisu.plexus:0.3.2" level="project" />
+    <orderEntry type="library" scope="PROVIDED" name="Maven: javax.enterprise:cdi-api:1.0" level="project" />
+    <orderEntry type="library" scope="PROVIDED" name="Maven: javax.annotation:jsr250-api:1.0" level="project" />
+    <orderEntry type="library" scope="PROVIDED" name="Maven: org.eclipse.sisu:org.eclipse.sisu.inject:0.3.2" level="project" />
+    <orderEntry type="library" scope="PROVIDED" name="Maven: com.google.inject:guice:no_aop:4.0" level="project" />
+    <orderEntry type="library" scope="PROVIDED" name="Maven: javax.inject:javax.inject:1" level="project" />
+    <orderEntry type="library" scope="PROVIDED" name="Maven: aopalliance:aopalliance:1.0" level="project" />
+    <orderEntry type="library" name="Maven: org.codehaus.plexus:plexus-interpolation:1.21" level="project" />
+    <orderEntry type="library" name="Maven: org.codehaus.plexus:plexus-utils:3.0.22" level="project" />
+    <orderEntry type="library" scope="PROVIDED" name="Maven: org.codehaus.plexus:plexus-classworlds:2.5.2" level="project" />
+    <orderEntry type="library" scope="PROVIDED" name="Maven: org.codehaus.plexus:plexus-component-annotations:1.6" level="project" />
+    <orderEntry type="library" scope="PROVIDED" name="Maven: org.sonatype.plexus:plexus-sec-dispatcher:1.3" level="project" />
+    <orderEntry type="library" scope="PROVIDED" name="Maven: org.sonatype.plexus:plexus-cipher:1.4" level="project" />
+    <orderEntry type="library" scope="PROVIDED" name="Maven: org.apache.commons:commons-lang3:3.4" level="project" />
+    <orderEntry type="library" scope="PROVIDED" name="Maven: org.apache.maven.plugin-tools:maven-plugin-annotations:3.3" level="project" />
+    <orderEntry type="library" scope="PROVIDED" name="Maven: org.apache.maven:maven-compat:3.3.9" level="project" />
+    <orderEntry type="library" scope="PROVIDED" name="Maven: org.apache.maven.wagon:wagon-provider-api:2.10" level="project" />
+    <orderEntry type="library" name="Maven: org.apache.maven.shared:maven-filtering:3.1.1" level="project" />
+    <orderEntry type="library" name="Maven: org.apache.maven.shared:maven-shared-utils:3.0.0" level="project" />
+    <orderEntry type="library" name="Maven: commons-io:commons-io:2.4" level="project" />
+    <orderEntry type="library" name="Maven: com.google.code.findbugs:jsr305:2.0.1" level="project" />
+    <orderEntry type="library" name="Maven: org.sonatype.plexus:plexus-build-api:0.0.7" level="project" />
+    <orderEntry type="library" scope="TEST" name="Maven: com.bluetrainsoftware.composite:composite-unit-test:1.1" level="project" />
+    <orderEntry type="library" scope="TEST" name="Maven: junit:junit:4.10" level="project" />
+    <orderEntry type="library" scope="TEST" name="Maven: org.hamcrest:hamcrest-core:1.1" level="project" />
+    <orderEntry type="library" scope="TEST" name="Maven: org.mockito:mockito-core:1.9.5" level="project" />
+    <orderEntry type="library" scope="TEST" name="Maven: org.objenesis:objenesis:1.0" level="project" />
+  </component>
+</module>
\ No newline at end of file