diff --git a/tests/NtfClient.hs b/tests/NtfClient.hs
index c0f715362..5d37764b1 100644
--- a/tests/NtfClient.hs
+++ b/tests/NtfClient.hs
@@ -174,7 +174,7 @@ data APNSMockServer = APNSMockServer
 apnsMockServerConfig :: HTTP2ServerConfig
 apnsMockServerConfig =
   HTTP2ServerConfig
-    { qSize = 1,
+    { qSize = 10,
       http2Port = apnsTestPort,
       serverSupported = http2TLSParams,
       caCertificateFile = "tests/fixtures/ca.crt",
diff --git a/tests/SMPClient.hs b/tests/SMPClient.hs
index 192dda1c8..b8aeacbec 100644
--- a/tests/SMPClient.hs
+++ b/tests/SMPClient.hs
@@ -71,8 +71,8 @@ cfg :: ServerConfig
 cfg =
   ServerConfig
     { transports = undefined,
-      tbqSize = 1,
-      serverTbqSize = 1,
+      tbqSize = 10,
+      serverTbqSize = 10,
       msgQueueQuota = 4,
       queueIdBytes = 24,
       msgIdBytes = 24,