Update readme.md

Author: xuwei-k

readme.md

@@ -24,11 +24,11 @@ Unfortunately, Play 2.4 is basically incompatible with Play plugins. Since Play
 
 #### build.sbt
 
-```
+```scala
 libraryDependencies ++= Seq(
   "com.h2database"  %  "h2"                           % "1.4.197", // your jdbc driver here
-  "org.scalikejdbc" %% "scalikejdbc"                  % "3.3.2",
-  "org.scalikejdbc" %% "scalikejdbc-config"           % "3.3.2",
+  "org.scalikejdbc" %% "scalikejdbc"                  % "3.3.5",
+  "org.scalikejdbc" %% "scalikejdbc-config"           % "3.3.5",
   "org.scalikejdbc" %% "scalikejdbc-play-initializer" % "2.7.0-scalikejdbc-3.3"
 )
 ```