diff --git a/build.sbt b/build.sbt
index c2ea52d..be57305 100644
--- a/build.sbt
+++ b/build.sbt
@@ -2,11 +2,20 @@
 
 version := "1.2"
 
-scalaVersion := "2.12.4"
+scalaVersion := "2.13.2"
 
 libraryDependencies ++= Seq(
-  "org.apache.jena" % "jena-arq" % "3.6.0",
-  "com.github.scopt" %% "scopt" % "3.7.0"
+  "org.apache.jena" % "jena-arq" % "3.14.0",
+  "com.github.scopt" %% "scopt" % "3.7.1"
 )
 
+excludeDependencies += "commons-logging" % "commons-logging"
+
+assemblyMergeStrategy in assembly := {
+  case "module-info.class" => MergeStrategy.discard
+  case x =>
+    val oldStrategy = (assemblyMergeStrategy in assembly).value
+    oldStrategy(x)
+}
+
 assemblyJarName in assembly := "rdfdiff.jar"
diff --git a/project/build.properties b/project/build.properties
index 8b697bb..5a9ed92 100644
--- a/project/build.properties
+++ b/project/build.properties
@@ -1 +1 @@
-sbt.version=1.1.0
+sbt.version=1.3.4
diff --git a/src/main/scala/uk/floop/org/RdfDiff.scala b/src/main/scala/uk/floop/org/RdfDiff.scala
deleted file mode 100644
index 5071031..0000000
--- a/src/main/scala/uk/floop/org/RdfDiff.scala
+++ /dev/null
@@ -1,38 +0,0 @@
-package uk.org.floop
-
-import java.io.{File, StringWriter}
-import java.net.URI
-import org.apache.jena.riot.RDFDataMgr
-
-case class Config(uris: Seq[URI] = Seq.empty)
-
-object RdfDiff extends App {
-  val packageVersion: String = getClass.getPackage.getImplementationVersion()
-  val parser = new scopt.OptionParser[Config]("rdfdiff") {
-    head("rdfdiff", packageVersion)
-    arg[URI]("<URI>") minOccurs(1) maxOccurs(2) hidden() action { (x, c) =>
-      c.copy(uris = c.uris :+ x)
-    }
-    help("help") text("Parses each file/URL as RDF and shows the differences between the resulting set of statements.")
-  }
-  parser.parse(args, Config()) match {
-    case Some(Config(Seq(uriA, uriB))) =>
-      val a = RDFDataMgr.loadModel(uriA.toString)
-      val b = RDFDataMgr.loadModel(uriB.toString)
-      if (a isIsomorphicWith b) {
-        println("Graphs are isomorphic.")
-        System.exit(0)
-      } else {
-        val sw = new StringWriter()
-        sw.write("<<<<\n")
-        a.difference(b).write(sw, "TURTLE")
-        sw.write("\n----\n")
-        b.difference(a).write(sw, "TURTLE")
-        sw.write("\n>>>>\n")
-        println(sw.toString)
-        System.exit(1)
-      }
-    case _ =>
-      System.exit(2)
-  }
-}
diff --git a/src/main/scala/uk/org/floop/RdfDiff.scala b/src/main/scala/uk/org/floop/RdfDiff.scala
new file mode 100644
index 0000000..69b7cc1
--- /dev/null
+++ b/src/main/scala/uk/org/floop/RdfDiff.scala
@@ -0,0 +1,42 @@
+package uk.org.floop
+
+import java.io.StringWriter
+import java.net.URI
+
+import org.apache.jena.riot.RDFDataMgr
+
+case class Config(uris: Seq[URI] = Seq.empty)
+
+object RdfDiff extends App {
+  val packageVersion: String = getClass.getPackage.getImplementationVersion
+  val parser = new scopt.OptionParser[Config]("rdfdiff") {
+    head("rdfdiff", packageVersion)
+    arg[URI]("<URI>")
+      .minOccurs(1)
+      .maxOccurs(2)
+      .hidden()
+      .action { (x, c) => c.copy(uris = c.uris :+ x)
+    }
+    help("help") text("Parses each file/URL as RDF and shows the differences between the resulting set of statements.")
+  }
+  parser.parse(args, Config()) match {
+    case Some(Config(Seq(uriA, uriB))) =>
+      val a = RDFDataMgr.loadModel(uriA.toString)
+      val b = RDFDataMgr.loadModel(uriB.toString)
+      if (a isIsomorphicWith b) {
+        println("Graphs are isomorphic.")
+        System.exit(0)
+      } else {
+        val sw = new StringWriter()
+        sw.write("<<<<\n")
+        a.difference(b).write(sw, "TURTLE")
+        sw.write("\n----\n")
+        b.difference(a).write(sw, "TURTLE")
+        sw.write("\n>>>>\n")
+        println(sw.toString)
+        System.exit(1)
+      }
+    case _ =>
+      System.exit(2)
+  }
+}