diff --git a/.travis.yml b/.travis.yml
index 7c8337d9b..e37248d1a 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -62,7 +62,7 @@ after_failure:
 
 deploy:
   - provider: script
-    script: mvn --settings .travis.settings.xml source:jar javadoc:jar package deploy -DskipTests=true -X
+    script: mvn --settings .travis.settings.xml source:jar javadoc:jar package deploy -DskipTests=true
     skip_cleanup: true
     on:
       branch: master
diff --git a/pom.xml b/pom.xml
index 2e51abb24..358ad9719 100644
--- a/pom.xml
+++ b/pom.xml
@@ -330,6 +330,16 @@ Copyright (c) 2012 - Jeremy Long
             <plugin>
                 <groupId>org.codehaus.gmavenplus</groupId>
                 <artifactId>gmavenplus-plugin</artifactId>
+                <!-- upgrading beyond 1.5 will cause the build to fail on Java 7 -->
+                <version>1.5</version>
+                <dependencies>
+                    <dependency>
+                        <groupId>org.codehaus.groovy</groupId>
+                        <artifactId>groovy-all</artifactId>
+                        <version>2.4.12</version>
+                        <scope>runtime</scope>
+                    </dependency>
+                </dependencies>
                 <executions>
                     <execution>
                         <id>add-dynamic-properties-clean</id>