diff --git a/spine-ue4/Plugins/SpinePlugin/Source/SpineEditorPlugin/SpineEditorPlugin.Build.cs b/spine-ue4/Plugins/SpinePlugin/Source/SpineEditorPlugin/SpineEditorPlugin.Build.cs
index 25a37d1cb..258106bb0 100644
--- a/spine-ue4/Plugins/SpinePlugin/Source/SpineEditorPlugin/SpineEditorPlugin.Build.cs
+++ b/spine-ue4/Plugins/SpinePlugin/Source/SpineEditorPlugin/SpineEditorPlugin.Build.cs
@@ -4,7 +4,7 @@ namespace UnrealBuildTool.Rules
 {
 	public class SpineEditorPlugin : ModuleRules
 	{
-		public SpineEditorPlugin(TargetInfo Target)
+		public SpineEditorPlugin(ReadOnlyTargetRules Target) : base(Target)
 		{
 			PublicIncludePaths.AddRange(new string[] { "SpineEditorPlugin/Public", "SpinePlugin/Public/spine-c/include" });
             
@@ -29,4 +29,4 @@ namespace UnrealBuildTool.Rules
             });
 		}
 	}
-}
\ No newline at end of file
+}
diff --git a/spine-ue4/Plugins/SpinePlugin/Source/SpinePlugin/SpinePlugin.Build.cs b/spine-ue4/Plugins/SpinePlugin/Source/SpinePlugin/SpinePlugin.Build.cs
index 2329f663a..4b76c55be 100644
--- a/spine-ue4/Plugins/SpinePlugin/Source/SpinePlugin/SpinePlugin.Build.cs
+++ b/spine-ue4/Plugins/SpinePlugin/Source/SpinePlugin/SpinePlugin.Build.cs
@@ -4,7 +4,7 @@ namespace UnrealBuildTool.Rules
 {
 	public class SpinePlugin : ModuleRules
 	{
-		public SpinePlugin(TargetInfo Target)
+		public SpinePlugin(ReadOnlyTargetRules Target) : base(Target)
 		{
 			PublicIncludePaths.AddRange(new string[] { "SpinePlugin/Public", "SpinePlugin/Public/spine-c/include" });
             PrivateIncludePaths.AddRange(new string[] { "SpinePlugin/Private", "SpinePlugin/Public/spine-c/include" });
@@ -12,4 +12,4 @@ namespace UnrealBuildTool.Rules
             OptimizeCode = CodeOptimization.Never;
 		}
 	}
-}
\ No newline at end of file
+}
diff --git a/spine-ue4/Source/SpineUE4.Target.cs b/spine-ue4/Source/SpineUE4.Target.cs
index c5288c9b5..c3b90d106 100644
--- a/spine-ue4/Source/SpineUE4.Target.cs
+++ b/spine-ue4/Source/SpineUE4.Target.cs
@@ -5,7 +5,7 @@ using System.Collections.Generic;
 
 public class SpineUE4Target : TargetRules
 {
-	public SpineUE4Target(TargetInfo Target)
+	public SpineUE4Target(ReadOnlyTargetRules Target) : base(Target)
 	{
 		Type = TargetType.Game;		
 	}
diff --git a/spine-ue4/Source/SpineUE4/SpineUE4.Build.cs b/spine-ue4/Source/SpineUE4/SpineUE4.Build.cs
index 08f863be8..8bbfbf82c 100644
--- a/spine-ue4/Source/SpineUE4/SpineUE4.Build.cs
+++ b/spine-ue4/Source/SpineUE4/SpineUE4.Build.cs
@@ -4,7 +4,7 @@ using UnrealBuildTool;
 
 public class SpineUE4 : ModuleRules
 {
-	public SpineUE4(TargetInfo Target)
+	public SpineUE4(ReadOnlyTargetRules Target) : base(Target)
 	{
 		PublicDependencyModuleNames.AddRange(new string[] { "Core", "CoreUObject", "Engine", "InputCore", "ProceduralMeshComponent" });
 
diff --git a/spine-ue4/Source/SpineUE4Editor.Target.cs b/spine-ue4/Source/SpineUE4Editor.Target.cs
index 3b5458abe..c570829ad 100644
--- a/spine-ue4/Source/SpineUE4Editor.Target.cs
+++ b/spine-ue4/Source/SpineUE4Editor.Target.cs
@@ -5,7 +5,7 @@ using System.Collections.Generic;
 
 public class SpineUE4EditorTarget : TargetRules
 {
-	public SpineUE4EditorTarget(TargetInfo Target)
+	public SpineUE4EditorTarget(ReadOnlyTargetRules Target) : base(Target)
 	{
 		Type = TargetType.Editor;
 	}