diff --git a/.github/workflows/sbt.yml b/.github/workflows/sbt.yml
index a1456afd..b2dbd81d 100644
--- a/.github/workflows/sbt.yml
+++ b/.github/workflows/sbt.yml
@@ -15,7 +15,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, windows-latest]
-        scalajs: ["1.9.0"]
+        scalajs: ["1.17.0"]
         es2015_enabled: ["false", "true"]
     steps:
       - name: Configure git to disable Windows line feeds
diff --git a/project/plugins.sbt b/project/plugins.sbt
index daae8ce6..37f7e476 100644
--- a/project/plugins.sbt
+++ b/project/plugins.sbt
@@ -1,5 +1,5 @@
 val scalaJSVersion =
-  Option(System.getenv("SCALAJS_VERSION")).getOrElse("1.9.0")
+  Option(System.getenv("SCALAJS_VERSION")).getOrElse("1.17.0")
 
 addSbtPlugin("org.scala-js" % "sbt-scalajs" % scalaJSVersion)