diff --git a/hudson.plugins.buckminster.EclipseBuckminsterBuilder.xml b/hudson.plugins.buckminster.EclipseBuckminsterBuilder.xml
index 29ec05f7..afdb4b7c 100644
--- a/hudson.plugins.buckminster.EclipseBuckminsterBuilder.xml
+++ b/hudson.plugins.buckminster.EclipseBuckminsterBuilder.xml
@@ -36,6 +36,15 @@
       <params>-Xmx768m
 -Xms768m
 -XX:PermSize=512M
+-XX:MaxPermSize=512M</params>
+    </hudson.plugins.buckminster.BuckminsterInstallation>
+    <hudson.plugins.buckminster.BuckminsterInstallation>
+      <name>Buckminster 4.4</name>
+      <home>/opt/hudson/tools/Buckminster_4.4</home>
+      <properties/>
+      <params>-Xmx768m
+-Xms768m
+-XX:PermSize=512M
 -XX:MaxPermSize=512M</params>
     </hudson.plugins.buckminster.BuckminsterInstallation>
   </buckminsterInstallations>
diff --git a/hudson.plugins.groovy.Groovy.xml b/hudson.plugins.groovy.Groovy.xml
index 6a35657b..de7a8970 100644
--- a/hudson.plugins.groovy.Groovy.xml
+++ b/hudson.plugins.groovy.Groovy.xml
@@ -1,5 +1,5 @@
 <?xml version='1.0' encoding='UTF-8'?>
-<hudson.plugins.groovy.Groovy_-DescriptorImpl plugin="groovy@1.15">
+<hudson.plugins.groovy.Groovy_-DescriptorImpl plugin="groovy@1.16">
   <instanceCounter>
     <value>0</value>
   </instanceCounter>