diff --git a/CHANGELOG.md b/CHANGELOG.md
index 69c56b9d..95b7505d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,8 @@
 # Changelog
 
+### 0.10.3
+- **Fix**: `mappingQueue` of `SessionManager`.
+
 ### 0.10.2
 - **Add**: `RefreshControl` - a basic UIRefreshControl with fixed refresh action.
 
diff --git a/LeadKit.podspec b/LeadKit.podspec
index f2c5d9de..02549dca 100644
--- a/LeadKit.podspec
+++ b/LeadKit.podspec
@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name            = "LeadKit"
-  s.version         = "0.10.2"
+  s.version         = "0.10.3"
   s.summary         = "iOS framework with a bunch of tools for rapid development"
   s.homepage        = "https://github.com/TouchInstinct/LeadKit"
   s.license         = "Apache License, Version 2.0"
diff --git a/Sources/Structures/NetworkService/NetworkServiceConfiguration.swift b/Sources/Structures/NetworkService/NetworkServiceConfiguration.swift
index 1bcac763..fb34f3f5 100644
--- a/Sources/Structures/NetworkService/NetworkServiceConfiguration.swift
+++ b/Sources/Structures/NetworkService/NetworkServiceConfiguration.swift
@@ -72,7 +72,7 @@ public extension NetworkServiceConfiguration {
                               serverTrustManager: ServerTrustManager(allHostsMustBeEvaluated: !serverTrustPolicies.isEmpty,
                                                                      evaluators: serverTrustPolicies),
                               acceptableStatusCodes: acceptableStatusCodes,
-                              mappingQueue: .global())
+                              mappingQueue: DispatchQueue(label: .mappingQueueLabel, qos: .default))
     }
 
     /// Convenient method to create ApiRequestParameters.
@@ -123,3 +123,7 @@ public extension NetworkServiceConfiguration {
                                     headers: requestHeaders)
     }
 }
+
+private extension String {
+    static let mappingQueueLabel = "leadkit.session.rootQueue"
+}