Update pom.xml

Author: r-brown

pom.xml

@@ -96,7 +96,7 @@
         <maven-enforcer-plugin.version>1.4.1</maven-enforcer-plugin.version>
         <maven-compiler-plugin.version>3.5.1</maven-compiler-plugin.version>
         <maven-release-plugin.version>2.5.3</maven-release-plugin.version>
-        <nexus-staging-maven-plugin.version>1.6.7</nexus-staging-maven-plugin.version>
+        <nexus-staging-maven-plugin.version>1.6.6</nexus-staging-maven-plugin.version>
         <maven-source-plugin.version>3.0.1</maven-source-plugin.version>
         <maven-javadoc-plugin.version>2.10.4</maven-javadoc-plugin.version>
         <maven-dependency-plugin.version>2.10</maven-dependency-plugin.version>