diff --git a/app/src/main/scala/net/kemitix/thorp/Main.scala b/app/src/main/scala/net/kemitix/thorp/Main.scala
index 6831294..3a99525 100644
--- a/app/src/main/scala/net/kemitix/thorp/Main.scala
+++ b/app/src/main/scala/net/kemitix/thorp/Main.scala
@@ -7,7 +7,7 @@ import net.kemitix.thorp.lib.FileScanner
 import net.kemitix.thorp.storage.aws.S3Storage
 import net.kemitix.thorp.storage.aws.hasher.S3Hasher
 import zio.clock.Clock
-import zio.{App, ZIO}
+import zio.{App, ZEnv, ZIO}
 
 object Main extends App {
 
@@ -20,7 +20,7 @@ object Main extends App {
       with S3Hasher.Live
       with FileScanner.Live
 
-  override def run(args: List[String]): ZIO[Environment, Nothing, Int] =
+  override def run(args: List[String]): ZIO[ZEnv, Nothing, Int] =
     Program
       .run(args)
       .provide(LiveThorpApp)
diff --git a/build.sbt b/build.sbt
index f735e44..ecaed54 100644
--- a/build.sbt
+++ b/build.sbt
@@ -64,8 +64,8 @@ val awsSdkDependencies = Seq(
 )
 val zioDependencies = Seq(
   libraryDependencies ++= Seq (
-    "dev.zio" %% "zio" % "1.0.0-RC14",
-    "dev.zio" %% "zio-streams" % "1.0.0-RC14"
+    "dev.zio" %% "zio" % "1.0.0-RC15",
+    "dev.zio" %% "zio-streams" % "1.0.0-RC15"
   )
 )