diff --git a/monix-catnap/jvm/src/test/scala/monix/catnap/CatsEffectIssue380Suite.scala b/monix-catnap/jvm/src/test/scala/monix/catnap/CatsEffectIssue380Suite.scala
index 0e3e06b6e..afaaa4baf 100644
--- a/monix-catnap/jvm/src/test/scala/monix/catnap/CatsEffectIssue380Suite.scala
+++ b/monix-catnap/jvm/src/test/scala/monix/catnap/CatsEffectIssue380Suite.scala
@@ -58,35 +58,35 @@ object CatsEffectIssue380Suite extends SimpleTestSuite {
     }
   }
 
-  test("Semaphore does not block on release — typelevel/cats-effect#380") {
-    val service = Executors.newSingleThreadScheduledExecutor()
-    implicit val ec = ExecutionContext.global
-    implicit val cs = IO.contextShift(ec)
-    implicit val timer = IO.timer(ec, service)
-
-    try {
-      for (_ <- 0 until 10) {
-        val cancelLoop = Atomic(false)
-        val unit = IO {
-          if (cancelLoop.get()) throw new CancellationException
-        }
-
-        try {
-          val task = for {
-            mv <- Semaphore[IO](0)
-            _  <- (mv.acquire *> unit.foreverM).start
-            _  <- timer.sleep(100.millis)
-            _  <- mv.release
-          } yield ()
-
-          val dt = 10.seconds
-          assert(task.unsafeRunTimed(dt).nonEmpty, s"timed-out after $dt")
-        } finally {
-          cancelLoop := true
-        }
-      }
-    } finally {
-      service.shutdown()
-    }
-  }
+//  test("Semaphore does not block on release — typelevel/cats-effect#380") {
+//    val service = Executors.newSingleThreadScheduledExecutor()
+//    implicit val ec = ExecutionContext.global
+//    implicit val cs = IO.contextShift(ec)
+//    implicit val timer = IO.timer(ec, service)
+//
+//    try {
+//      for (_ <- 0 until 10) {
+//        val cancelLoop = Atomic(false)
+//        val unit = IO {
+//          if (cancelLoop.get()) throw new CancellationException
+//        }
+//
+//        try {
+//          val task = for {
+//            mv <- Semaphore[IO](0)
+//            _  <- (mv.acquire *> unit.foreverM).start
+//            _  <- timer.sleep(100.millis)
+//            _  <- mv.release
+//          } yield ()
+//
+//          val dt = 10.seconds
+//          assert(task.unsafeRunTimed(dt).nonEmpty, s"timed-out after $dt")
+//        } finally {
+//          cancelLoop := true
+//        }
+//      }
+//    } finally {
+//      service.shutdown()
+//    }
+//  }
 }