diff --git a/project/Dependencies.scala b/project/Dependencies.scala
index 9833809..81e242f 100755
--- a/project/Dependencies.scala
+++ b/project/Dependencies.scala
@@ -8,7 +8,7 @@ object Dependencies {
   val typesafePlay = "org.playframework" %% "play" % playVersion
 
   val scalaVersion    = "3.3.7"
-  val smithy4sVersion = "0.18.51"
+  val smithy4sVersion = "0.19.1"
   val smithyVersion   = "1.69.0"
 
   val smithyCore         = "com.disneystreaming.smithy4s" %% "smithy4s-core"             % smithy4sVersion
diff --git a/project/plugins.sbt b/project/plugins.sbt
index 6310c19..8cf2de4 100755
--- a/project/plugins.sbt
+++ b/project/plugins.sbt
@@ -2,7 +2,7 @@ addSbtPlugin("com.codecommit"               %% "sbt-github-packages"  % "0.5.3")
 addSbtPlugin("org.scalameta"                %% "sbt-scalafmt"         % "2.5.2")
 addSbtPlugin("org.playframework"            %% "sbt-plugin"           % "3.0.10")
 addSbtPlugin("org.scoverage"                %% "sbt-scoverage"        % "2.4.4")
-addSbtPlugin("com.disneystreaming.smithy4s" %% "smithy4s-sbt-codegen" % "0.18.51")
+addSbtPlugin("com.disneystreaming.smithy4s" %% "smithy4s-sbt-codegen" % "0.19.1")
 addSbtPlugin("com.lucidchart"                % "sbt-cross"            % "4.0")
 addSbtPlugin("pl.project13.scala"            % "sbt-jmh"              % "0.4.7")
 addSbtPlugin("io.gatling"                    % "gatling-sbt"          % "4.18.0")