diff --git a/Dockerfile b/Dockerfile
index 15942c49..6fcfbf25 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -4,4 +4,4 @@ WORKDIR /usr/src/parser
 ADD . /usr/src/parser
 RUN mvn -q -f /usr/src/parser/pom.xml clean install -U
 
-CMD ["java", "-jar", "-Xmx1g", "/usr/src/parser/target/stats-0.1.0.jar", "5600"]
+CMD ["java", "-jar", "-Xmx512m", "/usr/src/parser/target/stats-0.1.0.jar", "5600"]