diff --git a/sdk-commons/src/main/java/org/openmrs/maven/plugins/utility/MavenEnvironment.java b/sdk-commons/src/main/java/org/openmrs/maven/plugins/utility/MavenEnvironment.java
index f6baee5d..9a06fbae 100644
--- a/sdk-commons/src/main/java/org/openmrs/maven/plugins/utility/MavenEnvironment.java
+++ b/sdk-commons/src/main/java/org/openmrs/maven/plugins/utility/MavenEnvironment.java
@@ -16,8 +16,8 @@ public class MavenEnvironment {
 	private MavenProject mavenProject;
 	private MavenSession mavenSession;
 	private Settings settings;
-	ArtifactMetadataSource artifactMetadataSource;
-	ArtifactFactory artifactFactory;
-	BuildPluginManager pluginManager;
-	Wizard wizard;
+	private ArtifactMetadataSource artifactMetadataSource;
+	private ArtifactFactory artifactFactory;
+	private BuildPluginManager pluginManager;
+	private Wizard wizard;
 }