diff --git a/build.sbt b/build.sbt
index a16dc3e126..286d1de584 100644
--- a/build.sbt
+++ b/build.sbt
@@ -252,7 +252,7 @@ lazy val node = crossProject(JSPlatform)
     scalacOptions += "-nowarn",
     Compile / doc / sources := Nil,
     scalaJSLinkerConfig ~= (_.withModuleKind(ModuleKind.CommonJSModule)),
-    Compile / npmDevDependencies += "@types/node" -> "16.7.13",
+    Compile / npmDevDependencies += "@types/node" -> "16.11.7",
     useYarn := true,
     yarnExtraArgs += "--frozen-lockfile",
     stOutputPackage := "fs2.internal.jsdeps",
diff --git a/io/js/src/main/scala/fs2/io/net/DatagramSocketOption.scala b/io/js/src/main/scala/fs2/io/net/DatagramSocketOption.scala
index 68c7969c2a..30e9c4d1bc 100644
--- a/io/js/src/main/scala/fs2/io/net/DatagramSocketOption.scala
+++ b/io/js/src/main/scala/fs2/io/net/DatagramSocketOption.scala
@@ -61,12 +61,18 @@ object DatagramSocketOption {
 
   private object MulticastLoopback extends Key[Boolean] {
     override private[net] def set[F[_]: Sync](sock: dgramMod.Socket, value: Boolean): F[Unit] =
-      Sync[F].delay(sock.setMulticastLoopback(value))
+      Sync[F].delay {
+        sock.setMulticastLoopback(value)
+        ()
+      }
   }
 
   private object MulticastTtl extends Key[Int] {
     override private[net] def set[F[_]: Sync](sock: dgramMod.Socket, value: Int): F[Unit] =
-      Sync[F].delay(sock.setMulticastTTL(value.toDouble))
+      Sync[F].delay {
+        sock.setMulticastTTL(value.toDouble)
+        ()
+      }
   }
 
   private object ReceiveBufferSize extends Key[Int] {
@@ -81,7 +87,10 @@ object DatagramSocketOption {
 
   private object Ttl extends Key[Int] {
     override private[net] def set[F[_]: Sync](sock: dgramMod.Socket, value: Int): F[Unit] =
-      Sync[F].delay(sock.setTTL(value.toDouble))
+      Sync[F].delay {
+        sock.setTTL(value.toDouble)
+        ()
+      }
   }
 
   def broadcast(value: Boolean): DatagramSocketOption = apply(Broadcast, value)
diff --git a/io/js/src/main/scala/fs2/io/net/SocketPlatform.scala b/io/js/src/main/scala/fs2/io/net/SocketPlatform.scala
index 1e7b8d4c9b..6613d1a2cb 100644
--- a/io/js/src/main/scala/fs2/io/net/SocketPlatform.scala
+++ b/io/js/src/main/scala/fs2/io/net/SocketPlatform.scala
@@ -96,8 +96,8 @@ private[net] trait SocketCompanionPlatform {
 
     override def localAddress: F[SocketAddress[IpAddress]] =
       for {
-        ip <- F.delay(IpAddress.fromString(sock.localAddress).get)
-        port <- F.delay(Port.fromInt(sock.localPort.toInt).get)
+        ip <- F.delay(sock.localAddress.toOption.flatMap(IpAddress.fromString).get)
+        port <- F.delay(sock.localPort.toOption.map(_.toInt).flatMap(Port.fromInt).get)
       } yield SocketAddress(ip, port)
 
     override def write(bytes: Chunk[Byte]): F[Unit] =
diff --git a/io/js/yarn.lock b/io/js/yarn.lock
index 2c78f9be9c..e8522c62cd 100644
--- a/io/js/yarn.lock
+++ b/io/js/yarn.lock
@@ -20,10 +20,10 @@
   resolved "https://registry.yarnpkg.com/@types/node/-/node-16.4.12.tgz#961e3091f263e6345d2d84afab4e047a60b4b11b"
   integrity sha512-zxrTNFl9Z8boMJXs6ieqZP0wAhvkdzmHSxTlJabM16cf5G9xBc1uPRH5Bbv2omEDDiM8MzTfqTJXBf0Ba4xFWA==
 
-"@types/node@16.7.13":
-  version "16.7.13"
-  resolved "https://registry.yarnpkg.com/@types/node/-/node-16.7.13.tgz#86fae356b03b5a12f2506c6cf6cd9287b205973f"
-  integrity sha512-pLUPDn+YG3FYEt/pHI74HmnJOWzeR+tOIQzUx93pi9M7D8OE7PSLr97HboXwk5F+JS+TLtWuzCOW97AHjmOXXA==
+"@types/node@16.11.7":
+  version "16.11.7"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-16.11.7.tgz#36820945061326978c42a01e56b61cd223dfdc42"
+  integrity sha512-QB5D2sqfSjCmTuWcBWyJ+/44bcjO7VbjSbOE0ucoVbAsSNQc4Lt6QkgkVXkTDwkL4z/beecZNDvVX15D4P8Jbw==
 
 "@webassemblyjs/ast@1.8.5":
   version "1.8.5"
diff --git a/node/js/yarn.lock b/node/js/yarn.lock
index 31fa29223a..b0753620ef 100644
--- a/node/js/yarn.lock
+++ b/node/js/yarn.lock
@@ -20,10 +20,10 @@
   resolved "https://registry.yarnpkg.com/@types/node/-/node-16.4.12.tgz#961e3091f263e6345d2d84afab4e047a60b4b11b"
   integrity sha512-zxrTNFl9Z8boMJXs6ieqZP0wAhvkdzmHSxTlJabM16cf5G9xBc1uPRH5Bbv2omEDDiM8MzTfqTJXBf0Ba4xFWA==
 
-"@types/node@16.7.13":
-  version "16.7.13"
-  resolved "https://registry.yarnpkg.com/@types/node/-/node-16.7.13.tgz#86fae356b03b5a12f2506c6cf6cd9287b205973f"
-  integrity sha512-pLUPDn+YG3FYEt/pHI74HmnJOWzeR+tOIQzUx93pi9M7D8OE7PSLr97HboXwk5F+JS+TLtWuzCOW97AHjmOXXA==
+"@types/node@16.11.7":
+  version "16.11.7"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-16.11.7.tgz#36820945061326978c42a01e56b61cd223dfdc42"
+  integrity sha512-QB5D2sqfSjCmTuWcBWyJ+/44bcjO7VbjSbOE0ucoVbAsSNQc4Lt6QkgkVXkTDwkL4z/beecZNDvVX15D4P8Jbw==
 
 "@webassemblyjs/ast@1.8.5":
   version "1.8.5"