diff --git a/build.sbt b/build.sbt
index 8b998d8..02a2c4c 100644
--- a/build.sbt
+++ b/build.sbt
@@ -1,6 +1,6 @@
 import sbt.Keys.{crossScalaVersions, scalacOptions}
 
-val playJsonVersion      = "2.9.3"
+val playJsonVersion      = "2.9.4"
 val playVersion          = "2.7.3" // test only
 val playWsVersion        = "2.1.10"
 val slf4jVersion         = "2.0.6"