diff --git a/project/Dependencies.scala b/project/Dependencies.scala
index 829c3b0..f153a1f 100644
--- a/project/Dependencies.scala
+++ b/project/Dependencies.scala
@@ -3,7 +3,7 @@ import sbt._
 object Dependencies {
   val zioVersion = "1.0.0-RC17"
 
-  val zio = "dev.zio" %% "zio" % "1.0.0-RC17"
+  val zio = "dev.zio" %% "zio" % "1.0.15"
 
   val scalaTestDep = "org.scalatest" %% "scalatest"    % "3.1.0"
   val zioTest      = "dev.zio"       %% "zio-test"     % zioVersion
diff --git a/src/test/scala/HelloWorldTest.scala b/src/test/scala/HelloWorldTest.scala
index 45cc80c..a10040c 100644
--- a/src/test/scala/HelloWorldTest.scala
+++ b/src/test/scala/HelloWorldTest.scala
@@ -29,7 +29,7 @@ object HelloWorldTest
             _      <- HelloWorld.sayHelloWorld
             output <- TestConsole.output
           } yield {
-            assert(output, equalTo(Vector("Hello! What is your name?\n", s"Hello, ${name}, welcome to ZIO!\n")))
+            assert(output)(equalTo(Vector("Hello! What is your name?\n", s"Hello, ${name}, welcome to ZIO!\n")))
           }
         }
       )