diff --git a/compiler/pom.xml b/compiler/pom.xml
index d8ff54e..afac45e 100644
--- a/compiler/pom.xml
+++ b/compiler/pom.xml
@@ -31,6 +31,8 @@
     </developers>
     <properties>
       <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+      <maven.compiler.source>1.8</maven.compiler.source>
+      <maven.compiler.target>1.8</maven.compiler.target>
     </properties>
     <dependencies>
         <dependency>
diff --git a/compiler/src/test/java/org/capnproto/EncodingTest.java b/compiler/src/test/java/org/capnproto/test/EncodingTest.java
similarity index 100%
rename from compiler/src/test/java/org/capnproto/EncodingTest.java
rename to compiler/src/test/java/org/capnproto/test/EncodingTest.java
diff --git a/compiler/src/test/java/org/capnproto/TestUtil.java b/compiler/src/test/java/org/capnproto/test/TestUtil.java
similarity index 100%
rename from compiler/src/test/java/org/capnproto/TestUtil.java
rename to compiler/src/test/java/org/capnproto/test/TestUtil.java