diff --git a/DESCRIPTION b/DESCRIPTION
index 6419189f8..afb24359e 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -23,7 +23,7 @@ Encoding: UTF-8
 Depends: 
     R (>= 3.5)
 Imports: 
-    nanonext (>= 0.10.2.9018),
+    nanonext (>= 0.10.2.9019),
     parallel
 Enhances: 
     promises
diff --git a/NEWS.md b/NEWS.md
index 34510c660..889e691ac 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -13,7 +13,7 @@
 * Fixes supplying an `ssh_config()` specifying tunnelling to the 'remote' argument of `daemons()`.
 * Fixes the print method for a subset 'miraiCluster' (thanks @HenrikBengtsson #83).
 * Removes the deprecated deferred evaluation pipe `%>>%`.
-* Requires nanonext >= [0.10.2.9012].
+* Requires nanonext >= [0.10.2.9019].
 
 # mirai 0.11.0
 
diff --git a/tests/tests.R b/tests/tests.R
index c91ba11bd..6832752ba 100644
--- a/tests/tests.R
+++ b/tests/tests.R
@@ -61,7 +61,7 @@ nanotest(inherits(call_mirai(m), "mirai"))
 nanotest(m$data == 3L || is_error_value(m$data))
 nanotest(identical(call_mirai(m), m))
 nanotest(is_mirai(m))
-Sys.sleep(1L)
+Sys.sleep(2L)
 nanotestp(m)
 
 if (.Platform[["OS.type"]] != "windows") {
@@ -69,7 +69,7 @@ if (.Platform[["OS.type"]] != "windows") {
 args <- list(m = 2L, n = 4L)
 m <- mirai(.expr = `lang obj`, .args = args, .timeout = 2000L)
 nanotest(call_mirai(m)$data == 8L || is_error_value(m$data))
-Sys.sleep(1L)
+Sys.sleep(2L)
 nanotest(daemons(url = value <- mirai:::auto_tokenized_url(), dispatcher = FALSE) == value)
 nanotest(grepl("://", launch_remote(status()$daemons), fixed = TRUE))
 nanotestn(launch_local(nextget("urls")))
@@ -163,7 +163,7 @@ Sys.sleep(1L)
   nanotest(is_mirai(m <- mirai(TRUE)))
   nanotest(is.character(launch_remote("ws://[::1]:5555", remote = remote_config(command = "echo", args = list(c("Test out:", ".", ">/dev/null")), rscript = "/usr/lib/R/bin/Rscript"))))
   nanotest(is.character(launch_remote("tcp://localhost:5555", remote = ssh_config(remotes = c("ssh://remotehost", "ssh://remotenode"), tunnel = TRUE, command = "echo"))))
-  Sys.sleep(1L)
+  Sys.sleep(2L)
   nanotestn(launch_local(mirai:::auto_tokenized_url(), .compute = "test"))
   Sys.sleep(1L)
   nanotest(daemons(n = 2L, url = value <- "ws://:0", dispatcher = FALSE, remote = remote_config()) != value)