diff --git a/appveyor.yml b/appveyor.yml
index a56e90eafa3..d40c830d242 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -1,5 +1,7 @@
-version: 1.0.{build}
-image: Visual Studio 2017
-cache: C:\Users\appveyor\.m2\repository
-build_script:
-- cmd: mvn install
\ No newline at end of file
+version: {build}
+image: Visual Studio 2017
+cache:
+  - C:\maven\
+  - C:\Users\appveyor\.m2
+build_script:
+   - cmd: mvn -P MINPARALLEL install
diff --git a/pom.xml b/pom.xml
index dc99e58019f..aa9b1c4c5e3 100644
--- a/pom.xml
+++ b/pom.xml
@@ -1064,7 +1064,7 @@
 
 						<fork>true</fork>
 						<meminitial>128m</meminitial>
-						<maxmem>1024m</maxmem>
+						<maxmem>1600m</maxmem>
 					</configuration>
 					<dependencies>
 						<dependency>