diff --git a/scala2/build.sbt b/scala2/build.sbt
index 6d0253c..7fb7328 100644
--- a/scala2/build.sbt
+++ b/scala2/build.sbt
@@ -3,7 +3,7 @@ version      := "2.1.2"
 organization := "com.github.gekomad"
 scalaVersion := "2.13.16"
 //scalaVersion := "2.12.20"
-val fs2Version = "3.11.0"
+val fs2Version = "3.12.0"
 scalacOptions ++= {
   if (scalaVersion.value.startsWith("2.12")) {
     Seq("-Ypartial-unification")
diff --git a/scala2_js/build.sbt b/scala2_js/build.sbt
index fcaee2c..96fe7c7 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")
@@ -25,8 +24,8 @@ lazy val scala2Js = project
         Seq("-Xfatal-warnings")
       }
     },
-    libraryDependencies += "co.fs2"             %%% "fs2-core"               % "3.11.0",
-    libraryDependencies += "co.fs2"             %%% "fs2-io"                 % "3.11.0",
+    libraryDependencies += "co.fs2"             %%% "fs2-core"               % "3.12.0",
+    libraryDependencies += "co.fs2"             %%% "fs2-io"                 % "3.12.0",
     libraryDependencies += "com.chuusai"        %%% "shapeless"              % "2.3.12",
     libraryDependencies += "com.github.gekomad" %%% "scala-regex-collection" % "2.0.1",
     libraryDependencies += "org.scala-js"       %%% "scalajs-dom"            % "2.8.0",
diff --git a/scala3/build.sbt b/scala3/build.sbt
index 2ed8f3d..937e11e 100644
--- a/scala3/build.sbt
+++ b/scala3/build.sbt
@@ -5,7 +5,7 @@ organization := "com.github.gekomad"
 
 scalaVersion := "3.5.2"
 
-val fs2Version = "3.11.0"
+val fs2Version = "3.12.0"
 
 libraryDependencies += "com.github.gekomad" %% "scala-regex-collection" % "2.0.1"
 libraryDependencies += "co.fs2"             %% "fs2-core"               % fs2Version
@@ -34,7 +34,6 @@ scalacOptions ++= Seq(
 //sonatype
 publishTo := sonatypePublishToBundle.value
 
-
 pomExtra :=
   <licenses>
     <license>
diff --git a/scala3_js/build.sbt b/scala3_js/build.sbt
index cecd5ad..452a61d 100644
--- a/scala3_js/build.sbt
+++ b/scala3_js/build.sbt
@@ -1,4 +1,4 @@
-name      := "itto-csv"
+name := "itto-csv"
 
 import org.scalajs.linker.interface.{ESVersion, ModuleSplitStyle}
 
@@ -16,8 +16,8 @@ lazy val scala3Js = project
         .withModuleSplitStyle(ModuleSplitStyle.SmallModulesFor(List("scala3Js")))
     },
     scalacOptions ++= Seq("-Xfatal-warnings"),
-    libraryDependencies += "co.fs2"             %%% "fs2-core"               % "3.11.0",
-    libraryDependencies += "co.fs2"             %%% "fs2-io"                 % "3.11.0",
+    libraryDependencies += "co.fs2"             %%% "fs2-core"               % "3.12.0",
+    libraryDependencies += "co.fs2"             %%% "fs2-io"                 % "3.12.0",
     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,