diff --git a/Sources/UINotification.swift b/Sources/UINotification.swift
index 31c7088..da29b16 100644
--- a/Sources/UINotification.swift
+++ b/Sources/UINotification.swift
@@ -33,6 +33,9 @@ public protocol UINotificationStyle {
     
     /// The chevron image which is shown when a notification has an action attached.
     var chevronImage: UIImage? { get }
+    
+    /// The size to use for the thumbnail view.
+    var thumbnailSize: CGSize { get }
 }
 
 /// Handles changes in UINotification
diff --git a/Sources/UINotificationStyles/UINotificationSystemStyle.swift b/Sources/UINotificationStyles/UINotificationSystemStyle.swift
index fdf366e..62b0bd2 100644
--- a/Sources/UINotificationStyles/UINotificationSystemStyle.swift
+++ b/Sources/UINotificationStyles/UINotificationSystemStyle.swift
@@ -19,6 +19,7 @@ public struct UINotificationSystemStyle: UINotificationStyle {
     public var maxWidth: CGFloat?
     public var interactive: Bool = true
     public var chevronImage: UIImage?
+    public var thumbnailSize: CGSize = .init(width: 31, height: 31)
     
     public init() { }
 }
diff --git a/Sources/UINotificationView.swift b/Sources/UINotificationView.swift
index 8773c17..dc77b04 100644
--- a/Sources/UINotificationView.swift
+++ b/Sources/UINotificationView.swift
@@ -19,6 +19,9 @@ open class UINotificationView: UIView {
     /// Will be set by the presenter. Is used to animate the notification view with a pan gesture.
     var topConstraint: NSLayoutConstraint?
     
+    var imageViewWidthConstraint: NSLayoutConstraint?
+    var imageViewHeightConstraint: NSLayoutConstraint?
+    
     /// The limit of translation before we will dismiss the notification.
     internal let translationDismissLimit: CGFloat = -15
     
@@ -36,8 +39,13 @@ open class UINotificationView: UIView {
         return stackView
     }()
     
+    /// Override this to change the order of subviews. For example, to show the subtitle above the title.
+    open var arrangedSubviews: [UIView] {
+        return [self.titleLabel, self.subtitleLabel]
+    }
+    
     open private(set) lazy var titlesStackView: UIStackView = {
-        let stackView = UIStackView(arrangedSubviews: [self.titleLabel, self.subtitleLabel])
+        let stackView = UIStackView(arrangedSubviews: arrangedSubviews)
         stackView.axis = .vertical
         stackView.spacing = 0
         stackView.translatesAutoresizingMaskIntoConstraints = false
@@ -110,7 +118,7 @@ open class UINotificationView: UIView {
         translatesAutoresizingMaskIntoConstraints = false
         isUserInteractionEnabled = true
         
-        layoutMargins = UIEdgeInsets(top: 4, left: 0, bottom: 4, right: 0)
+        layoutMargins = UIEdgeInsets(top: 0, left: 0, bottom: 0, right: 0)
         
         addArrangedSubviewsForContainerStackView()
         addSubview(containerStackView)
@@ -132,6 +140,8 @@ open class UINotificationView: UIView {
         
         imageView.image = notification.content.image
         imageView.isHidden = notification.content.image == nil
+        imageViewWidthConstraint?.constant = notification.style.thumbnailSize.width
+        imageViewHeightConstraint?.constant = notification.style.thumbnailSize.height
         
         backgroundColor = notification.style.backgroundColor
         
@@ -154,6 +164,9 @@ open class UINotificationView: UIView {
     /// Called when all constraints should be setup for the notification. Can be overwritten to set your own constraints.
     /// When setting your own constraints, you should not be calling super.
     open func setupConstraints() {
+        imageViewWidthConstraint = imageView.widthAnchor.constraint(equalToConstant: 31)
+        imageViewHeightConstraint = imageView.heightAnchor.constraint(equalToConstant: 31)
+        
         let constraints = [
             containerStackView.leftAnchor.constraint(equalTo: layoutMarginsGuide.leftAnchor, constant: 18),
             containerStackView.rightAnchor.constraint(equalTo: layoutMarginsGuide.rightAnchor, constant: -18),
@@ -162,8 +175,8 @@ open class UINotificationView: UIView {
             
             chevronImageView.widthAnchor.constraint(equalToConstant: chevronImageView.image?.size.width ?? 0),
             
-            imageView.widthAnchor.constraint(equalToConstant: 31),
-            imageView.heightAnchor.constraint(equalToConstant: 31)
+            imageViewWidthConstraint!,
+            imageViewHeightConstraint!
         ]
         
         button?.setContentHuggingPriority(.defaultHigh, for: .horizontal)
diff --git a/UINotifications.xcodeproj/project.pbxproj b/UINotifications.xcodeproj/project.pbxproj
index 9e65036..aff2b42 100644
--- a/UINotifications.xcodeproj/project.pbxproj
+++ b/UINotifications.xcodeproj/project.pbxproj
@@ -257,7 +257,7 @@
 			isa = PBXProject;
 			attributes = {
 				LastSwiftUpdateCheck = 0920;
-				LastUpgradeCheck = 1010;
+				LastUpgradeCheck = 1230;
 				ORGANIZATIONNAME = WeTransfer;
 				TargetAttributes = {
 					502C139F206E5F230082CE37 = {
@@ -400,6 +400,7 @@
 				CLANG_WARN_OBJC_IMPLICIT_RETAIN_SELF = YES;
 				CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
 				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
+				CLANG_WARN_QUOTED_INCLUDE_IN_FRAMEWORK_HEADER = YES;
 				CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
 				CLANG_WARN_STRICT_PROTOTYPES = YES;
 				CLANG_WARN_SUSPICIOUS_MOVE = YES;
@@ -426,7 +427,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 11.2;
+				IPHONEOS_DEPLOYMENT_TARGET = 12.0;
 				MTL_ENABLE_DEBUG_INFO = YES;
 				ONLY_ACTIVE_ARCH = YES;
 				SDKROOT = iphoneos;
@@ -462,6 +463,7 @@
 				CLANG_WARN_OBJC_IMPLICIT_RETAIN_SELF = YES;
 				CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
 				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
+				CLANG_WARN_QUOTED_INCLUDE_IN_FRAMEWORK_HEADER = YES;
 				CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
 				CLANG_WARN_STRICT_PROTOTYPES = YES;
 				CLANG_WARN_SUSPICIOUS_MOVE = YES;
@@ -482,7 +484,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 11.2;
+				IPHONEOS_DEPLOYMENT_TARGET = 12.0;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = iphoneos;
 				SWIFT_OPTIMIZATION_LEVEL = "-Owholemodule";
@@ -504,7 +506,7 @@
 				DYLIB_INSTALL_NAME_BASE = "@rpath";
 				INFOPLIST_FILE = UINotifications/Info.plist;
 				INSTALL_PATH = "$(LOCAL_LIBRARY_DIR)/Frameworks";
-				IPHONEOS_DEPLOYMENT_TARGET = 9.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 12.0;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = com.wetransfer.UINotifications;
 				PRODUCT_NAME = "$(TARGET_NAME:c99extidentifier)";
@@ -526,7 +528,7 @@
 				DYLIB_INSTALL_NAME_BASE = "@rpath";
 				INFOPLIST_FILE = UINotifications/Info.plist;
 				INSTALL_PATH = "$(LOCAL_LIBRARY_DIR)/Frameworks";
-				IPHONEOS_DEPLOYMENT_TARGET = 9.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 12.0;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = com.wetransfer.UINotifications;
 				PRODUCT_NAME = "$(TARGET_NAME:c99extidentifier)";
@@ -594,6 +596,7 @@
 				CLANG_WARN_OBJC_IMPLICIT_RETAIN_SELF = YES;
 				CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
 				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
+				CLANG_WARN_QUOTED_INCLUDE_IN_FRAMEWORK_HEADER = YES;
 				CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
 				CLANG_WARN_STRICT_PROTOTYPES = YES;
 				CLANG_WARN_SUSPICIOUS_MOVE = YES;
@@ -620,7 +623,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 11.2;
+				IPHONEOS_DEPLOYMENT_TARGET = 12.0;
 				MTL_ENABLE_DEBUG_INFO = YES;
 				ONLY_ACTIVE_ARCH = YES;
 				SDKROOT = iphoneos;
@@ -643,7 +646,7 @@
 				DYLIB_INSTALL_NAME_BASE = "@rpath";
 				INFOPLIST_FILE = UINotifications/Info.plist;
 				INSTALL_PATH = "$(LOCAL_LIBRARY_DIR)/Frameworks";
-				IPHONEOS_DEPLOYMENT_TARGET = 9.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 12.0;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = com.wetransfer.UINotifications;
 				PRODUCT_NAME = "$(TARGET_NAME:c99extidentifier)";
diff --git a/UINotifications.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist b/UINotifications.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist
new file mode 100644
index 0000000..18d9810
--- /dev/null
+++ b/UINotifications.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>IDEDidComputeMac32BitWarning</key>
+	<true/>
+</dict>
+</plist>
diff --git a/UINotifications.xcodeproj/xcshareddata/xcschemes/UINotifications.xcscheme b/UINotifications.xcodeproj/xcshareddata/xcschemes/UINotifications.xcscheme
index 9d5d7e5..83de330 100644
--- a/UINotifications.xcodeproj/xcshareddata/xcschemes/UINotifications.xcscheme
+++ b/UINotifications.xcodeproj/xcshareddata/xcschemes/UINotifications.xcscheme
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1020"
+   LastUpgradeVersion = "1230"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"
@@ -26,8 +26,17 @@
       buildConfiguration = "Test"
       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
-      codeCoverageEnabled = "YES"
-      shouldUseLaunchSchemeArgsEnv = "YES">
+      shouldUseLaunchSchemeArgsEnv = "YES"
+      codeCoverageEnabled = "YES">
+      <MacroExpansion>
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "502C139F206E5F230082CE37"
+            BuildableName = "UINotifications.framework"
+            BlueprintName = "UINotifications"
+            ReferencedContainer = "container:UINotifications.xcodeproj">
+         </BuildableReference>
+      </MacroExpansion>
       <Testables>
          <TestableReference
             skipped = "NO"
@@ -41,17 +50,6 @@
             </BuildableReference>
          </TestableReference>
       </Testables>
-      <MacroExpansion>
-         <BuildableReference
-            BuildableIdentifier = "primary"
-            BlueprintIdentifier = "502C139F206E5F230082CE37"
-            BuildableName = "UINotifications.framework"
-            BlueprintName = "UINotifications"
-            ReferencedContainer = "container:UINotifications.xcodeproj">
-         </BuildableReference>
-      </MacroExpansion>
-      <AdditionalOptions>
-      </AdditionalOptions>
    </TestAction>
    <LaunchAction
       buildConfiguration = "Debug"
@@ -72,8 +70,6 @@
             ReferencedContainer = "container:UINotifications.xcodeproj">
          </BuildableReference>
       </MacroExpansion>
-      <AdditionalOptions>
-      </AdditionalOptions>
    </LaunchAction>
    <ProfileAction
       buildConfiguration = "Release"
diff --git a/UINotifications.xcodeproj/xcshareddata/xcschemes/UINotificationsTests.xcscheme b/UINotifications.xcodeproj/xcshareddata/xcschemes/UINotificationsTests.xcscheme
index 13a7b92..d1e528e 100644
--- a/UINotifications.xcodeproj/xcshareddata/xcschemes/UINotificationsTests.xcscheme
+++ b/UINotifications.xcodeproj/xcshareddata/xcschemes/UINotificationsTests.xcscheme
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1020"
+   LastUpgradeVersion = "1230"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"
@@ -23,8 +23,6 @@
             </BuildableReference>
          </TestableReference>
       </Testables>
-      <AdditionalOptions>
-      </AdditionalOptions>
    </TestAction>
    <LaunchAction
       buildConfiguration = "Debug"
@@ -36,8 +34,6 @@
       debugDocumentVersioning = "YES"
       debugServiceExtension = "internal"
       allowLocationSimulation = "YES">
-      <AdditionalOptions>
-      </AdditionalOptions>
    </LaunchAction>
    <ProfileAction
       buildConfiguration = "Release"
diff --git a/UINotificationsTests/UINotificationDefaultElementsTests.swift b/UINotificationsTests/UINotificationDefaultElementsTests.swift
index 8218a41..ad4718d 100644
--- a/UINotificationsTests/UINotificationDefaultElementsTests.swift
+++ b/UINotificationsTests/UINotificationDefaultElementsTests.swift
@@ -12,6 +12,7 @@ import XCTest
 final class UINotificationDefaultElementsTests: UINotificationTestCase {
 
     struct CustomStyle: UINotificationStyle {
+        var thumbnailSize: CGSize
         var titleFont: UIFont = UIFont.systemFont(ofSize: 13, weight: .semibold)
         var subtitleFont: UIFont = UIFont.systemFont(ofSize: 13, weight: .semibold)
         var titleTextColor: UIColor = UIColor.black
@@ -27,9 +28,10 @@ final class UINotificationDefaultElementsTests: UINotificationTestCase {
         let customHeight: CGFloat?
         let maxWidth: CGFloat?
 
-        init(customHeight: CGFloat? = nil, maxWidth: CGFloat? = nil) {
+        init(customHeight: CGFloat? = nil, maxWidth: CGFloat? = nil, thumbnailSize: CGSize = CGSize(width: 20, height: 20)) {
             self.customHeight = customHeight
             self.maxWidth = maxWidth
+            self.thumbnailSize = thumbnailSize
         }
     }
     
@@ -76,6 +78,19 @@ final class UINotificationDefaultElementsTests: UINotificationTestCase {
         
         waitFor(notificationCenter.currentPresenter?.presentationContext.notificationView.frame.size.height == customHeight, timeout: 5.0, description: "Custom height should be applied to the view")
     }
+    
+    /// When passing a notification style with a custom thumbnail size, this should be applied to the presented view.
+    func testCustomNotificationThumbnailSize() {
+        let notificationCenter = UINotificationCenter()
+        notificationCenter.isDuplicateQueueingAllowed = true
+        notificationCenter.presenterType = MockPresenter.self
+        let customSize = CGSize(width: 25, height: 25)
+        let notification = UINotification(content: UINotificationContent(title: "test"), style: CustomStyle(thumbnailSize: customSize))
+        
+        notificationCenter.show(notification: notification)
+        
+        waitFor(notificationCenter.currentPresenter?.presentationContext.notificationView.imageView.frame.size == customSize, timeout: 5.0, description: "Custom height should be applied to the view")
+    }
 
     /// When passing a notification style with a max width, this should be applied to the presented view.
     func testNotificationViewMaxWidth() {
diff --git a/UINotificationsTests/UINotificationDefaultViewTests.swift b/UINotificationsTests/UINotificationDefaultViewTests.swift
index 3a06344..f5831f5 100644
--- a/UINotificationsTests/UINotificationDefaultViewTests.swift
+++ b/UINotificationsTests/UINotificationDefaultViewTests.swift
@@ -102,6 +102,7 @@ final class UINotificationViewTests: UINotificationTestCase {
 }
 
 private struct LargeChevronStyle: UINotificationStyle {
+    var thumbnailSize: CGSize = CGSize(width: 20, height: 20)
     var titleFont: UIFont = UIFont.systemFont(ofSize: 13, weight: .semibold)
     var subtitleFont: UIFont = UIFont.systemFont(ofSize: 13, weight: .semibold)
     var titleTextColor: UIColor = UIColor.black