diff --git a/jsoniter-scala-examples/README.md b/jsoniter-scala-examples/README.md
index 863cdb747..288472271 100644
--- a/jsoniter-scala-examples/README.md
+++ b/jsoniter-scala-examples/README.md
@@ -13,7 +13,7 @@ java -jar target/scala-2.13/jsoniter-scala-examples-assembly-0.1.0-SNAPSHOT.jar
 ## How to build with a native image and run binaries
 
 ```sh
-/usr/lib/jvm/graalvm-ce-19/bin/native-image --no-server -H:UnsafeAutomaticSubstitutionsLogLevel=3 -jar target/scala-2.12/jsoniter-scala-examples-assembly-0.1.0-SNAPSHOT.jar
+/usr/lib/jvm/graalvm-ce-19/bin/native-image --no-server --no-fallback -H:UnsafeAutomaticSubstitutionsLogLevel=3 -jar target/scala-2.13/jsoniter-scala-examples-assembly-0.1.0-SNAPSHOT.jar
 
 ./jsoniter-scala-examples-assembly-0.1.0-SNAPSHOT
 ```
\ No newline at end of file
diff --git a/jsoniter-scala-examples/build.sbt b/jsoniter-scala-examples/build.sbt
index fe7383548..4cbcb1fca 100644
--- a/jsoniter-scala-examples/build.sbt
+++ b/jsoniter-scala-examples/build.sbt
@@ -1,6 +1,6 @@
 val `jsoniter-scala-examples` = project.in(file("."))
   .settings(
-    scalaVersion := "2.12.8",
+    scalaVersion := "2.13.0",
     scalacOptions ++= Seq("-Xmacro-settings:print-codecs"),
     crossScalaVersions := Seq("2.13.0", "2.12.8", "2.11.12"),
     mainClass in assembly := Some("com.github.plokhotnyuk.jsoniter_scala.examples.Example01"),