[MWAR-389] Upgrade maven-filtering to 3.1.1


git-svn-id: https://svn.apache.org/repos/asf/maven/plugins/trunk@1747444 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/pom.xml b/pom.xml
index 7fe69f6..fd17b73 100644
--- a/pom.xml
+++ b/pom.xml
@@ -61,7 +61,7 @@
 
   <properties>
     <mavenArchiverVersion>3.1.0</mavenArchiverVersion>
-    <mavenFilteringVersion>3.1.0</mavenFilteringVersion>
+    <mavenFilteringVersion>3.1.1</mavenFilteringVersion>
     <mavenVersion>3.0</mavenVersion>
   </properties>