diff --git a/build.sbt b/build.sbt
index 8262ad52d..f4110f0f2 100644
--- a/build.sbt
+++ b/build.sbt
@@ -12,6 +12,7 @@ import net.bzzt.reproduciblebuilds.ReproducibleBuildsPlugin.reproducibleBuildsCh
 sourceDistName := "apache-pekko-connectors"
 sourceDistIncubating := false
 ThisBuild / resolvers += Resolver.ApacheMavenSnapshotsRepo
+ThisBuild / resolvers += Resolver.ApacheMavenStagingRepo
 
 ThisBuild / reproducibleBuildsCheckResolver := Resolver.ApacheMavenStagingRepo
 
diff --git a/project/plugins.sbt b/project/plugins.sbt
index 609ec7be5..94573c5a4 100644
--- a/project/plugins.sbt
+++ b/project/plugins.sbt
@@ -7,6 +7,8 @@
  * This file is part of the Apache Pekko project, which was derived from Akka.
  */
 
+resolvers += Resolver.ApacheMavenStagingRepo
+
 addSbtPlugin("pl.project13.scala" % "sbt-jmh" % "0.4.7")
 addSbtPlugin("com.github.sbt" % "sbt-dynver" % "5.0.1")
 addSbtPlugin("net.bzzt" % "sbt-reproducible-builds" % "0.32")
@@ -28,7 +30,7 @@ addSbtPlugin(("com.github.sbt" % "sbt-site-paradox" % "1.7.0").excludeAll(
 addSbtPlugin("com.github.sbt" % "sbt-unidoc" % "0.5.0")
 addSbtPlugin("com.thoughtworks.sbt-api-mappings" % "sbt-api-mappings" % "3.0.2")
 // Pekko gRPC -- sync with PekkoGrpcBinaryVersion in Dependencies.scala
-addSbtPlugin("org.apache.pekko" % "pekko-grpc-sbt-plugin" % "1.1.0-M1")
+addSbtPlugin("org.apache.pekko" % "pekko-grpc-sbt-plugin" % "1.1.0-RC1")
 // templating
 addSbtPlugin("com.github.sbt" % "sbt-boilerplate" % "0.7.0")
 // Run JUnit 5 tests with sbt