diff --git a/.travis.yml b/.travis.yml
index fd1d80c..52b611b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,6 +4,7 @@
 
 env:
   global:
+    - GRADLE_OPTS=-Xmx512m
     - PROTOBUF_VERSION=3.0.0-beta-2
     - LDFLAGS=-L/tmp/protobuf-${PROTOBUF_VERSION}/lib
     - CXXFLAGS=-I/tmp/protobuf-${PROTOBUF_VERSION}/include
diff --git a/build.gradle b/build.gradle
index eac869c..9828f6b 100644
--- a/build.gradle
+++ b/build.gradle
@@ -280,5 +280,6 @@
             showCauses true
             showStackTraces true
         }
+        maxHeapSize = '1500m'
     }
 }