diff --git a/.github/workflows/packaging.yml b/.github/workflows/packaging.yml
index 271479d..1552d30 100644
--- a/.github/workflows/packaging.yml
+++ b/.github/workflows/packaging.yml
@@ -11,7 +11,7 @@ jobs:
       github.event.pull_request.head.repo.full_name != github.repository
     # Packaging for CentOS 7 does not work with other versions, see:
     # https://github.com/packpack/packpack/issues/145
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-latest
 
     strategy:
       fail-fast: false
diff --git a/queue/abstract/queue_state.lua b/queue/abstract/queue_state.lua
index 6583008..9de20c9 100644
--- a/queue/abstract/queue_state.lua
+++ b/queue/abstract/queue_state.lua
@@ -65,7 +65,7 @@ local function create_state_fiber(on_state_change_cb)
         fiber.self():name('queue_state_fiber')
         while true do
             if current == queue_state.states.WAITING then
-                local rc = pcall(box.ctl.wait_rw, 0.001)
+                local rc = pcall(box.ctl.wait_rw)
                 if rc then
                     current = queue_state.states.STARTUP
                     log.info('Queue state changed: STARTUP')
@@ -76,7 +76,7 @@ local function create_state_fiber(on_state_change_cb)
                     log.info('Queue state changed: RUNNING')
                 end
             elseif current == queue_state.states.RUNNING then
-                local rc = pcall(box.ctl.wait_ro, 0.001)
+                local rc = pcall(box.ctl.wait_ro)
                 if rc then
                     current = queue_state.states.ENDING
                     on_state_change_cb(current)