diff --git a/dev-support/docker/Dockerfile b/dev-support/docker/Dockerfile
index 44e2a58..6add8d5 100644
--- a/dev-support/docker/Dockerfile
+++ b/dev-support/docker/Dockerfile
@@ -130,7 +130,7 @@ RUN pip install python-dateutil
###
# Avoid out of memory errors in builds
###
-ENV MAVEN_OPTS -Xms256m -Xmx512m
+ENV MAVEN_OPTS -Xmx3g
###
# Everything past this point is either not needed for testing or breaks Yetus.
diff --git a/pom.xml b/pom.xml
index afee6e4..dfa45b4 100644
--- a/pom.xml
+++ b/pom.xml
@@ -27,6 +27,7 @@
'mvn package'. If you are interested in the full story, see
https://issues.apache.org/jira/browse/HBASE-6795.
+ Test precommit
-->
4.0.0