diff --git a/build.sbt b/build.sbt
index 5f14592..8f86780 100755
--- a/build.sbt
+++ b/build.sbt
@@ -5,7 +5,7 @@ lazy val commonSettings = Seq(
   organization := "com.kjetland",
   organizationName := "mbknor",
   scalaVersion := "2.12.4",
-  crossScalaVersions := Seq("2.10.7", "2.11.12", "2.12.8", "2.13.0-M5"),
+  crossScalaVersions := Seq("2.10.7", "2.11.12", "2.12.10", "2.13.1"),
   publishMavenStyle := true,
   publishArtifact in Test := false,
   pomIncludeRepository := { _ => false },
@@ -46,8 +46,8 @@ lazy val commonSettings = Seq(
 )
 
 
-val jacksonVersion = "2.9.8"
-val jacksonModuleScalaVersion = "2.9.8"
+val jacksonVersion = "2.10.1"
+val jacksonModuleScalaVersion = "2.10.1"
 val slf4jVersion = "1.7.26"
 
 
@@ -56,7 +56,7 @@ lazy val deps  = Seq(
   "javax.validation" % "validation-api" % "2.0.1.Final",
   "org.slf4j" % "slf4j-api" % slf4jVersion,
   "io.github.classgraph" % "classgraph" % "4.8.21",
-  "org.scalatest" %% "scalatest" % "3.0.7" % "test",
+  "org.scalatest" %% "scalatest" % "3.0.8" % "test",
   "ch.qos.logback" % "logback-classic" % "1.2.3" % "test",
   "com.github.java-json-tools" % "json-schema-validator" % "2.2.10" % "test",
   "com.fasterxml.jackson.module" %% "jackson-module-scala" % jacksonModuleScalaVersion % "test",
diff --git a/project/build.properties b/project/build.properties
index 0cd8b07..6adcdc7 100644
--- a/project/build.properties
+++ b/project/build.properties
@@ -1 +1 @@
-sbt.version=1.2.3
+sbt.version=1.3.3
diff --git a/src/main/scala/com/kjetland/jackson/jsonSchema/JsonSchemaGenerator.scala b/src/main/scala/com/kjetland/jackson/jsonSchema/JsonSchemaGenerator.scala
index 051f62f..3fa6653 100755
--- a/src/main/scala/com/kjetland/jackson/jsonSchema/JsonSchemaGenerator.scala
+++ b/src/main/scala/com/kjetland/jackson/jsonSchema/JsonSchemaGenerator.scala
@@ -461,6 +461,7 @@ class JsonSchemaGenerator
                 exampleValue => examples.add(exampleValue)
               }
               node.set("examples", examples)
+              ()
           }
 
           // Look for @NotBlank
@@ -662,6 +663,7 @@ class JsonSchemaGenerator
                 exampleValue => examples.add(exampleValue)
               }
               node.set("examples", examples)
+              ()
           }
       }
 
@@ -991,6 +993,7 @@ class JsonSchemaGenerator
                   val objectOptionsNode = JsonNodeFactory.instance.objectNode()
                   objectOptionsNode.set("multiple_editor_select_via_property", multipleEditorSelectViaPropertyNode)
                   thisObjectNode.set("options", objectOptionsNode)
+                  ()
                 }
 
             }
@@ -1234,6 +1237,7 @@ class JsonSchemaGenerator
             // Overwrite field
             val value = updateNode.get(fieldName)
             node.set(fieldName, value)
+            ()
           case _ =>
         }
       }
@@ -1369,6 +1373,7 @@ class JsonSchemaGenerator
 
     definitionsHandler.getFinalDefinitionsNode().foreach {
       definitionsNode => rootNode.set("definitions", definitionsNode)
+      ()
     }
 
     rootNode