diff --git a/scala2/build.sbt b/scala2/build.sbt
index 6d0253c..56c9ea6 100644
--- a/scala2/build.sbt
+++ b/scala2/build.sbt
@@ -34,7 +34,7 @@ scalacOptions ++= Seq(
 
 libraryDependencies += "co.fs2"             %% "fs2-core"               % fs2Version
 libraryDependencies += "co.fs2"             %% "fs2-io"                 % fs2Version
-libraryDependencies += "com.chuusai"        %% "shapeless"              % "2.3.12"
+libraryDependencies += "com.chuusai"        %% "shapeless"              % "2.3.13"
 libraryDependencies += "com.github.gekomad" %% "scala-regex-collection" % "2.0.1"
 libraryDependencies += "com.storm-enroute"  %% "scalameter"             % "0.19"   % Test
 libraryDependencies += "org.scalameta"      %% "munit"                  % "1.1.0"  % Test
diff --git a/scala2_js/build.sbt b/scala2_js/build.sbt
index fcaee2c..7f66211 100644
--- a/scala2_js/build.sbt
+++ b/scala2_js/build.sbt
@@ -7,9 +7,9 @@ lazy val scala2Js = project
   .in(file("."))
   .enablePlugins(ScalaJSPlugin)
   .settings(
-    version                         := "2.1.2",
-    scalaVersion                    := "2.13.16",
-    //scalaVersion                    := "2.12.20",
+    version      := "2.1.2",
+    scalaVersion := "2.13.16",
+    // scalaVersion                    := "2.12.20",
     organization                    := "com.github.gekomad",
     scalaJSUseMainModuleInitializer := false,
     scalaJSLinkerConfig ~= (_.withESFeatures(_.withESVersion(ESVersion.ES2018))),
@@ -17,7 +17,6 @@ lazy val scala2Js = project
       _.withModuleKind(ModuleKind.ESModule)
         .withModuleSplitStyle(ModuleSplitStyle.SmallModulesFor(List("scala2Js")))
     },
-
     scalacOptions ++= {
       if (scalaVersion.value.startsWith("2.12")) {
         Seq("-Ypartial-unification", "-Xfatal-warnings")
@@ -27,7 +26,7 @@ lazy val scala2Js = project
     },
     libraryDependencies += "co.fs2"             %%% "fs2-core"               % "3.11.0",
     libraryDependencies += "co.fs2"             %%% "fs2-io"                 % "3.11.0",
-    libraryDependencies += "com.chuusai"        %%% "shapeless"              % "2.3.12",
+    libraryDependencies += "com.chuusai"        %%% "shapeless"              % "2.3.13",
     libraryDependencies += "com.github.gekomad" %%% "scala-regex-collection" % "2.0.1",
     libraryDependencies += "org.scala-js"       %%% "scalajs-dom"            % "2.8.0",
     libraryDependencies += "org.scalameta"      %%% "munit"                  % "1.1.0"  % Test,