diff --git a/build.third_step0.gradle b/build.third_step0.gradle
index 9b246bbfc..4ebb40bdf 100644
--- a/build.third_step0.gradle
+++ b/build.third_step0.gradle
@@ -70,6 +70,7 @@ configurations {
 String essentialBranch = version == 'FEATURE' ? 'RELEASE' : 'MASTER'
 dependencies {
 	essential "com.fr.essential:fine-essential:1.0-${essentialBranch}-SNAPSHOT"
+	essential "com.fr.cbb:fine-universal-skeleton:1.0-${essentialBranch}-SNAPSHOT"
     // thirdjar "com.fr.third:fine-third-base:10.0-BASE-SNAPSHOT"
 	// sigar "com.fr.third:sigar:1.6.0"
     testCompile 'junit:junit:4.12'
@@ -164,6 +165,6 @@ task unpackEssential(type:Copy) {
 	into classesDir
 }
 
-jar.dependsOn unpackEssential
+unpackEssential.dependsOn unpack
 
-jar.dependsOn unpack
+jar.dependsOn unpackEssential