diff --git a/core/native/src/main/scala/cats/effect/unsafe/KqueueSystem.scala b/core/native/src/main/scala/cats/effect/unsafe/KqueueSystem.scala
index 9e79e101ab..ae748a8673 100644
--- a/core/native/src/main/scala/cats/effect/unsafe/KqueueSystem.scala
+++ b/core/native/src/main/scala/cats/effect/unsafe/KqueueSystem.scala
@@ -136,7 +136,8 @@ object KqueueSystem extends PollingSystem {
   final class Poller private[KqueueSystem] (kqfd: Int) {
 
     private[this] val changelistArray = new Array[Byte](sizeof[kevent64_s].toInt * MaxEvents)
-    @inline private[this] def changelist = changelistArray.at(0).asInstanceOf[Ptr[kevent64_s]]
+    @inline private[this] def changelist =
+      changelistArray.atUnsafe(0).asInstanceOf[Ptr[kevent64_s]]
     private[this] var changeCount = 0
 
     private[this] val callbacks = new LongMap[Either[Throwable, Unit] => Unit]()
diff --git a/project/plugins.sbt b/project/plugins.sbt
index 46c20db612..5cfe507747 100644
--- a/project/plugins.sbt
+++ b/project/plugins.sbt
@@ -3,7 +3,7 @@ libraryDependencies += "org.scala-js" %% "scalajs-env-selenium" % "1.1.1"
 addSbtPlugin("org.typelevel" % "sbt-typelevel" % "0.5.3")
 
 addSbtPlugin("org.scala-js" % "sbt-scalajs" % "1.13.2")
-addSbtPlugin("org.scala-native" % "sbt-scala-native" % "0.4.14")
+addSbtPlugin("org.scala-native" % "sbt-scala-native" % "0.4.15")
 addSbtPlugin("pl.project13.scala" % "sbt-jmh" % "0.4.6")
 addSbtPlugin("pl.project13.scala" % "sbt-jcstress" % "0.2.0")
 addSbtPlugin("org.scalameta" % "sbt-mdoc" % "2.3.7")
diff --git a/std/native/src/main/scala/cats/effect/std/SecureRandomCompanionPlatform.scala b/std/native/src/main/scala/cats/effect/std/SecureRandomCompanionPlatform.scala
index 679b1c4b26..6589e53a4d 100644
--- a/std/native/src/main/scala/cats/effect/std/SecureRandomCompanionPlatform.scala
+++ b/std/native/src/main/scala/cats/effect/std/SecureRandomCompanionPlatform.scala
@@ -34,7 +34,7 @@ private[std] trait SecureRandomCompanionPlatform {
       var i = 0
       while (i < len) {
         val n = Math.min(256, len - i)
-        if (sysrandom.getentropy(bytes.at(i), n.toULong) < 0)
+        if (sysrandom.getentropy(bytes.atUnsafe(i), n.toULong) < 0)
           throw new RuntimeException(fromCString(strerror(errno)))
         i += n
       }
diff --git a/tests/native/src/test/scala/cats/effect/FileDescriptorPollerSpec.scala b/tests/native/src/test/scala/cats/effect/FileDescriptorPollerSpec.scala
index e2027a4619..b06450cdcc 100644
--- a/tests/native/src/test/scala/cats/effect/FileDescriptorPollerSpec.scala
+++ b/tests/native/src/test/scala/cats/effect/FileDescriptorPollerSpec.scala
@@ -40,13 +40,15 @@ class FileDescriptorPollerSpec extends BaseSpec {
   ) {
     def read(buf: Array[Byte], offset: Int, length: Int): IO[Unit] =
       readHandle
-        .pollReadRec(()) { _ => IO(guard(unistd.read(readFd, buf.at(offset), length.toULong))) }
+        .pollReadRec(()) { _ =>
+          IO(guard(unistd.read(readFd, buf.atUnsafe(offset), length.toULong)))
+        }
         .void
 
     def write(buf: Array[Byte], offset: Int, length: Int): IO[Unit] =
       writeHandle
         .pollWriteRec(()) { _ =>
-          IO(guard(unistd.write(writeFd, buf.at(offset), length.toULong)))
+          IO(guard(unistd.write(writeFd, buf.atUnsafe(offset), length.toULong)))
         }
         .void
 
@@ -121,7 +123,7 @@ class FileDescriptorPollerSpec extends BaseSpec {
             .surround {
               IO { // trigger all the pipes at once
                 pipes.foreach { pipe =>
-                  unistd.write(pipe.writeFd, Array[Byte](42).at(0), 1.toULong)
+                  unistd.write(pipe.writeFd, Array[Byte](42).atUnsafe(0), 1.toULong)
                 }
               }.background.surround(latch.await.as(true))
             }