2 files changed, 10 insertions, 1 deletions

diff --git a/bittorrent.cabal b/bittorrent.cabal
index e4752c13..a398dd6d 100644
--- a/bittorrent.cabal
+++ b/bittorrent.cabal
@@ -209,6 +209,9 @@ test-suite spec
                        System.Torrent.FileMapSpec
   build-depends:       base == 4.*
 
+                       -- * Concurrency
+                     , async
+
                        -- * Data
                      , bytestring
                      , containers
diff --git a/tests/Network/BitTorrent/Tracker/RPC/UDPSpec.hs b/tests/Network/BitTorrent/Tracker/RPC/UDPSpec.hs
index fd7d1232..3ecc139d 100644
--- a/tests/Network/BitTorrent/Tracker/RPC/UDPSpec.hs
+++ b/tests/Network/BitTorrent/Tracker/RPC/UDPSpec.hs
@@ -1,6 +1,6 @@
 {-# LANGUAGE RecordWildCards #-}
 module Network.BitTorrent.Tracker.RPC.UDPSpec (spec, trackerURIs) where
-
+import Control.Concurrent.Async
 import Control.Monad
 import Data.Default
 import Data.List as L
@@ -47,3 +47,9 @@ spec = parallel $ do
           withManager def $ \ mgr -> do
             xs <- scrape mgr uri [def]
             L.length xs `shouldSatisfy` (>= 1)
+
+      describe "Manager" $ do
+        it "should handle arbitrary intermixed concurrent queries" $ do
+          withManager def $ \ mgr -> do
+            _ <- mapConcurrently (\ _ -> scrape mgr uri [def]) [1..100]
+            return ()
\ No newline at end of file