diff --git a/project/Dependencies.scala b/project/Dependencies.scala
index beca7a7b7..195517d78 100644
--- a/project/Dependencies.scala
+++ b/project/Dependencies.scala
@@ -21,7 +21,7 @@ object Dependencies {
 
     //test
     val Scalatest = "3.2.13"
-    val MonixTestingScalatest = "0.2.0"
+    val MonixTestingScalatest = "0.4.0"
     val Scalacheck = "1.14.0"
     val Mockito = "1.15.0"
     val GCNio = "0.123.14"