diff --git a/project/plugins.sbt b/project/plugins.sbt
index 86eac83..dacca9a 100644
--- a/project/plugins.sbt
+++ b/project/plugins.sbt
@@ -3,4 +3,4 @@ addSbtPlugin("org.typelevel" % "sbt-typelevel-mergify" % "0.8.5")
 
 addSbtPlugin("org.polyvariant" % "smithy-scala-tools-sbt" % "0.3.1")
 
-addSbtPlugin("com.disneystreaming.smithy4s" % "smithy4s-sbt-codegen" % "0.19.4")
+addSbtPlugin("com.disneystreaming.smithy4s" % "smithy4s-sbt-codegen" % "0.19.6")