diff --git a/build.sbt b/build.sbt
index 96f3943..8cfa2ae 100644
--- a/build.sbt
+++ b/build.sbt
@@ -5,7 +5,7 @@ organization := "org.webjars"
 name := "webjars-play"
 
 val Scala213 = "2.13.18"
-val Scala3 = "3.3.7"
+val Scala3 = "3.8.3"
 
 scalaVersion := Scala213
 
diff --git a/project/build.properties b/project/build.properties
index 01a16ed..df061f4 100644
--- a/project/build.properties
+++ b/project/build.properties
@@ -1 +1 @@
-sbt.version=1.11.7
+sbt.version=1.12.9
diff --git a/project/plugins.sbt b/project/plugins.sbt
index 6c0938a..a10bbea 100644
--- a/project/plugins.sbt
+++ b/project/plugins.sbt
@@ -1,2 +1,2 @@
-addSbtPlugin("org.playframework" % "sbt-plugin" % "3.1.0-M4")
+addSbtPlugin("org.playframework" % "sbt-plugin" % "3.1.0-M5")
 addSbtPlugin("com.github.sbt" % "sbt-ci-release" % "1.11.2")
diff --git a/test-project/project/plugins.sbt b/test-project/project/plugins.sbt
index 9bf358d..59ba531 100644
--- a/test-project/project/plugins.sbt
+++ b/test-project/project/plugins.sbt
@@ -1 +1 @@
-addSbtPlugin("org.playframework" % "sbt-plugin" % "3.1.0-M4")
+addSbtPlugin("org.playframework" % "sbt-plugin" % "3.1.0-M5")