diff --git a/project/Paradox.scala b/project/Paradox.scala
index 7beccaa21d..7aa5067693 100644
--- a/project/Paradox.scala
+++ b/project/Paradox.scala
@@ -73,7 +73,7 @@ object Paradox {
 
   val themeSettings = Seq(
     // allow access to snapshots for pekko-sbt-paradox
-    resolvers += "Apache Nexus Snapshots".at("https://repository.apache.org/content/repositories/snapshots/"),
+    resolvers += Resolver.ApacheMavenSnapshotsRepo,
     pekkoParadoxGithub := Some("https://github.com/apache/incubator-pekko"))
 
   // FIXME https://github.com/lightbend/paradox/issues/350
diff --git a/project/build.properties b/project/build.properties
index 46e43a97ed..d6de1a0cf8 100644
--- a/project/build.properties
+++ b/project/build.properties
@@ -1 +1 @@
-sbt.version=1.8.2
+sbt.version=1.9.0-RC1
diff --git a/project/plugins.sbt b/project/plugins.sbt
index c9aa8733f2..f2534d72e8 100644
--- a/project/plugins.sbt
+++ b/project/plugins.sbt
@@ -24,7 +24,7 @@ addSbtPlugin("org.mdedetrich" % "sbt-apache-sonatype" % "0.1.6")
 addSbtPlugin("com.github.reibitto" % "sbt-welcome" % "0.2.2")
 
 // allow access to snapshots for pekko-sbt-paradox
-resolvers += "Apache Nexus Snapshots".at("https://repository.apache.org/content/repositories/snapshots/")
+resolvers += Resolver.ApacheMavenSnapshotsRepo
 
 // We have to deliberately use older versions of sbt-paradox because current Pekko sbt build
 // only loads on JDK 1.8 so we need to bring in older versions of parboiled which support JDK 1.8