diff --git a/ProcessOut.podspec b/ProcessOut.podspec
index d458153f3..5b5b5cb1f 100644
--- a/ProcessOut.podspec
+++ b/ProcessOut.podspec
@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name                  = 'ProcessOut'
-  s.version               = '4.21.1'
+  s.version               = '4.22.0'
   s.swift_versions        = ['5.9']
   s.license               = { :type => 'MIT', :file => 'LICENSE' }
   s.homepage              = 'https://github.com/processout/processout-ios'
diff --git a/ProcessOutCheckout3DS.podspec b/ProcessOutCheckout3DS.podspec
index 6e804b79b..d8ff916df 100644
--- a/ProcessOutCheckout3DS.podspec
+++ b/ProcessOutCheckout3DS.podspec
@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name                  = 'ProcessOutCheckout3DS'
-  s.version               = '4.21.1'
+  s.version               = '4.22.0'
   s.swift_versions        = ['5.10']
   s.license               = { :type => 'MIT', :file => 'LICENSE' }
   s.homepage              = 'https://github.com/processout/processout-ios'
diff --git a/ProcessOutCoreUI.podspec b/ProcessOutCoreUI.podspec
index 9526e56fa..63721cdaf 100644
--- a/ProcessOutCoreUI.podspec
+++ b/ProcessOutCoreUI.podspec
@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name                  = 'ProcessOutCoreUI'
-  s.version               = '4.21.1'
+  s.version               = '4.22.0'
   s.swift_versions        = ['5.10']
   s.license               = { :type => 'MIT', :file => 'LICENSE' }
   s.homepage              = 'https://github.com/processout/processout-ios'
diff --git a/ProcessOutUI.podspec b/ProcessOutUI.podspec
index c7dba5dd3..040f79f1a 100644
--- a/ProcessOutUI.podspec
+++ b/ProcessOutUI.podspec
@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name                  = 'ProcessOutUI'
-  s.version               = '4.21.1'
+  s.version               = '4.22.0'
   s.swift_versions        = ['5.10']
   s.license               = { :type => 'MIT', :file => 'LICENSE' }
   s.homepage              = 'https://github.com/processout/processout-ios'
diff --git a/Sources/ProcessOut/Sources/Generated/ProcessOut+Version.swift b/Sources/ProcessOut/Sources/Generated/ProcessOut+Version.swift
index ccef5d32a..e74a67283 100644
--- a/Sources/ProcessOut/Sources/Generated/ProcessOut+Version.swift
+++ b/Sources/ProcessOut/Sources/Generated/ProcessOut+Version.swift
@@ -7,8 +7,8 @@
 
 extension ProcessOut {
 
-    /// The current version of this library, value is "4.21.1".
+    /// The current version of this library, value is "4.22.0".
     public static var version: String {
-        "4.21.1"
+        "4.22.0"
     }
 }
diff --git a/Sources/ProcessOut/Sources/Services/CustomerTokens/DefaultCustomerTokensService.swift b/Sources/ProcessOut/Sources/Services/CustomerTokens/DefaultCustomerTokensService.swift
index ca518b66f..ead85eae2 100644
--- a/Sources/ProcessOut/Sources/Services/CustomerTokens/DefaultCustomerTokensService.swift
+++ b/Sources/ProcessOut/Sources/Services/CustomerTokens/DefaultCustomerTokensService.swift
@@ -61,7 +61,7 @@ final class DefaultCustomerTokensService: POCustomerTokensService {
                 logger.warn("Did fail to assign customer token: \(error)", attributes: attributes)
                 throw error
             }
-            return try await assignCustomerToken(request: newRequest, threeDSService: threeDSService)
+            return try await _assignCustomerToken(request: newRequest, threeDSService: threeDSService)
         }
         if let token = response.token {
             return token
diff --git a/Sources/ProcessOut/Sources/Services/Invoices/DefaultInvoicesService.swift b/Sources/ProcessOut/Sources/Services/Invoices/DefaultInvoicesService.swift
index 600a0e3b9..9b322a5fd 100644
--- a/Sources/ProcessOut/Sources/Services/Invoices/DefaultInvoicesService.swift
+++ b/Sources/ProcessOut/Sources/Services/Invoices/DefaultInvoicesService.swift
@@ -107,7 +107,7 @@ final class DefaultInvoicesService: POInvoicesService {
             logger.warn("Did fail to authorize invoice: \(error)", attributes: [.invoiceId: request.invoiceId])
             throw error
         }
-        try await authorizeInvoice(request: newRequest, threeDSService: threeDSService)
+        try await _authorizeInvoice(request: newRequest, threeDSService: threeDSService)
     }
 }
 
diff --git a/Sources/ProcessOutCheckout3DS/Sources/Service/POCheckout3DSService.swift b/Sources/ProcessOutCheckout3DS/Sources/Service/POCheckout3DSService.swift
index 28cd6c21b..2cbc09a8d 100644
--- a/Sources/ProcessOutCheckout3DS/Sources/Service/POCheckout3DSService.swift
+++ b/Sources/ProcessOutCheckout3DS/Sources/Service/POCheckout3DSService.swift
@@ -71,6 +71,7 @@ public final class POCheckout3DSService: PO3DS2Service {
 
     public func clean() async {
         service?.cleanUp()
+        service = nil
     }
 
     // MARK: - Private Properties
diff --git a/Version.resolved b/Version.resolved
index 79b1bb629..d7638f377 100644
--- a/Version.resolved
+++ b/Version.resolved
@@ -1 +1 @@
-4.21.1
+4.22.0