diff --git a/CHANGELOG.md b/CHANGELOG.md
index fc02f05..a16a7ca 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,7 +6,7 @@ All notable changes to this project will be documented in this file.
 - Switched to scala-2.12.21
 - Switched to scala-2.13.18
 - Switched to scala-3.8.3
-- Switched to scalajs-1.20.2
+- Switched to scalajs-1.21.0
 - Switched to scala-native-0.5.10
 
 ## [1.0.2] - 2024-04-24
diff --git a/project/plugins.sbt b/project/plugins.sbt
index 0d5aa65..fff2fb0 100644
--- a/project/plugins.sbt
+++ b/project/plugins.sbt
@@ -1,7 +1,7 @@
 addSbtPlugin("org.portable-scala" % "sbt-scalajs-crossproject"      % "1.3.2")
 addSbtPlugin("org.portable-scala" % "sbt-scala-native-crossproject" % "1.3.2")
 
-addSbtPlugin("org.scala-js"       % "sbt-scalajs"                   % "1.20.2")
+addSbtPlugin("org.scala-js"       % "sbt-scalajs"                   % "1.21.0")
 addSbtPlugin("org.scala-native"   % "sbt-scala-native"              % "0.5.10")
 
 addSbtPlugin("pl.project13.scala" % "sbt-jmh"                       % "0.4.8")