diff --git a/.settings/org.eclipse.core.resources.prefs b/.settings/org.eclipse.core.resources.prefs
index 7ec1b20e..03a497e2 100644
--- a/.settings/org.eclipse.core.resources.prefs
+++ b/.settings/org.eclipse.core.resources.prefs
@@ -1,5 +1,6 @@
 eclipse.preferences.version=1
 encoding//src/org/rascalmpl/core/library=UTF-8
+encoding//target/generated-test-sources=UTF-8
 encoding/<project>=UTF-8
 encoding/src=UTF-8
 encoding/test=UTF-8
diff --git a/pom.xml b/pom.xml
index f8fa8ff6..568f9c9e 100644
--- a/pom.xml
+++ b/pom.xml
@@ -161,7 +161,7 @@
             <plugin>
                 <groupId>org.rascalmpl</groupId>
                 <artifactId>rascal-maven-plugin</artifactId>
-                <version>0.22.0</version>
+                <version>0.38.2-BOOT1</version>
                 <!--    <configuration>
                     <generated>${project.build.directory}/generated-test-sources</generated>
                     <mainModule>GenerateTestSources</mainModule>