diff --git a/build.sbt b/build.sbt
index 0b2d35f9f7..f9833ae812 100644
--- a/build.sbt
+++ b/build.sbt
@@ -123,7 +123,7 @@ val circeVersion: String = "0.14.6"
 
 val jsoniterVersion = "2.25.0"
 
-val play29JsonVersion = "2.9.2"
+val play29JsonVersion = "2.9.4"
 
 val playJsonVersion = "3.0.0"