diff --git a/.scalafmt.conf b/.scalafmt.conf
index 7bf596a..3e824a2 100644
--- a/.scalafmt.conf
+++ b/.scalafmt.conf
@@ -1,4 +1,4 @@
-version = 3.7.8
+version = 3.7.17
 
 runner.dialect                  = scala213source3
 style                           = defaultWithAlign
diff --git a/build.sbt b/build.sbt
index cd2abca..a3d1b86 100644
--- a/build.sbt
+++ b/build.sbt
@@ -2,11 +2,11 @@ Global / onChangedBuildSource := IgnoreSourceChanges // not working well with we
 
 name                     := "OutwatchExample"
 ThisBuild / version      := "0.1.0-SNAPSHOT"
-ThisBuild / scalaVersion := "2.13.11"
+ThisBuild / scalaVersion := "2.13.12"
 
 val versions = new {
-  val outwatch  = "1.0.0-RC15"
-  val scalaTest = "3.2.16"
+  val outwatch  = "1.0.0"
+  val scalaTest = "3.2.17"
 }
 
 // do not warn about unused setting key. TODO: why is this needed? scala-js-bundler bug? sbt says this setting is unused, but it is used.
diff --git a/project/build.properties b/project/build.properties
index 875b706..abbbce5 100644
--- a/project/build.properties
+++ b/project/build.properties
@@ -1 +1 @@
-sbt.version=1.9.2
+sbt.version=1.9.8
diff --git a/project/plugins.sbt b/project/plugins.sbt
index 74567c4..af6181f 100644
--- a/project/plugins.sbt
+++ b/project/plugins.sbt
@@ -1,8 +1,8 @@
-addSbtPlugin("org.scala-js"  % "sbt-scalajs"         % "1.13.2")
+addSbtPlugin("org.scala-js"  % "sbt-scalajs"         % "1.15.0")
 addSbtPlugin("ch.epfl.scala" % "sbt-scalajs-bundler" % "0.21.1")
 
-addSbtPlugin("org.scalameta"             % "sbt-scalafmt" % "2.5.0")
-addSbtPlugin("io.github.davidgregory084" % "sbt-tpolecat" % "0.4.4")
+addSbtPlugin("org.scalameta" % "sbt-scalafmt" % "2.5.2")
+addSbtPlugin("org.typelevel" % "sbt-tpolecat" % "0.5.0")
 
 // for reading npmDependencies from package.json
-libraryDependencies ++= Seq("com.lihaoyi" %% "upickle" % "3.1.2")
+libraryDependencies ++= Seq("com.lihaoyi" %% "upickle" % "3.1.4")