diff --git a/SPECS/lucene.spec b/SPECS/lucene.spec
index 0274076..963e001 100644
--- a/SPECS/lucene.spec
+++ b/SPECS/lucene.spec
@@ -249,6 +249,7 @@ sed -i -e "/<Export-Package>/a<_nouses>true</_nouses>" dev-tools/maven/pom.xml.t
 %mvn_package ":{*}-aggregator" @1
 
 %build
+export MAVEN_OPTS="-Xmx3072M -XX:MaxPermSize=2048m"
 pushd %{name}
 find -maxdepth 2 -type d -exec mkdir -p '{}/lib' \;