diff --git a/obs-websocket-dotnet/Types/Events/InputVolumeMetersEventArgs.cs b/obs-websocket-dotnet/Types/Events/InputVolumeMetersEventArgs.cs
index 647929c..c649b98 100644
--- a/obs-websocket-dotnet/Types/Events/InputVolumeMetersEventArgs.cs
+++ b/obs-websocket-dotnet/Types/Events/InputVolumeMetersEventArgs.cs
@@ -12,13 +12,9 @@ public class InputVolumeMetersEventArgs : EventArgs
         /// <summary>
         /// Array of active inputs with their associated volume levels
         /// </summary>
-        public List<JObject> inputs { get; }
+        public IReadOnlyCollection<JObject> inputs { get; }
 
-        /// <summary>
-        /// Default Constructor
-        /// </summary>
-        /// <param name="inputs">Collection inputs as JObjects</param>
-        public InputVolumeMetersEventArgs(List<JObject> inputs)
+        public InputVolumeMetersEventArgs(IReadOnlyCollection<JObject> inputs)
         {
             this.inputs = inputs;
         }
diff --git a/obs-websocket-dotnet/Types/Events/ProfileListChangedEventArgs.cs b/obs-websocket-dotnet/Types/Events/ProfileListChangedEventArgs.cs
index be7609b..87b615b 100644
--- a/obs-websocket-dotnet/Types/Events/ProfileListChangedEventArgs.cs
+++ b/obs-websocket-dotnet/Types/Events/ProfileListChangedEventArgs.cs
@@ -8,16 +8,9 @@ namespace OBSWebsocketDotNet.Types.Events
     /// </summary>
     public class ProfileListChangedEventArgs : EventArgs
     {
-        /// <summary>
-        /// The profiles that have changed
-        /// </summary>
-        public List<string> Profiles { get; }
+        public IReadOnlyCollection<string> Profiles { get; }
 
-        /// <summary>
-        /// Default Constructor
-        /// </summary>
-        /// <param name="profiles">Collection of profile names as strings</param>
-        public ProfileListChangedEventArgs(List<string> profiles)
+        public ProfileListChangedEventArgs(IReadOnlyCollection<string> profiles)
         {
             Profiles = profiles;
         }
diff --git a/obs-websocket-dotnet/Types/Events/SceneCollectionListChangedEventArgs.cs b/obs-websocket-dotnet/Types/Events/SceneCollectionListChangedEventArgs.cs
index 009775f..2426d19 100644
--- a/obs-websocket-dotnet/Types/Events/SceneCollectionListChangedEventArgs.cs
+++ b/obs-websocket-dotnet/Types/Events/SceneCollectionListChangedEventArgs.cs
@@ -11,13 +11,13 @@ public class SceneCollectionListChangedEventArgs : EventArgs
         /// <summary>
         /// Updated list of scene collections
         /// </summary>
-        public List<string> SceneCollections { get; }
+        public IReadOnlyCollection<string> SceneCollections { get; }
 
         /// <summary>
         /// Default Constructor
         /// </summary>
         /// <param name="sceneCollections">Collection of scene collection names as string</param>
-        public SceneCollectionListChangedEventArgs(List<string> sceneCollections)
+        public SceneCollectionListChangedEventArgs(IReadOnlyCollection<string> sceneCollections)
         {
             SceneCollections = sceneCollections;
         }
diff --git a/obs-websocket-dotnet/Types/Events/SceneItemListReindexedEventArgs.cs b/obs-websocket-dotnet/Types/Events/SceneItemListReindexedEventArgs.cs
index 82ee04e..7e08aa6 100644
--- a/obs-websocket-dotnet/Types/Events/SceneItemListReindexedEventArgs.cs
+++ b/obs-websocket-dotnet/Types/Events/SceneItemListReindexedEventArgs.cs
@@ -17,14 +17,14 @@ public class SceneItemListReindexedEventArgs : EventArgs
         /// <summary>
         /// List of all scene items as JObject
         /// </summary>
-        public List<JObject> SceneItems { get; }
-
+        public IReadOnlyCollection<JObject> SceneItems { get; }
+        
         /// <summary>
         /// Default Constructor
         /// </summary>
         /// <param name="sceneName">The scene name</param>
         /// <param name="sceneItems">The scene item data as a colleciton of JObjects</param>
-        public SceneItemListReindexedEventArgs(string sceneName, List<JObject> sceneItems)
+        public SceneItemListReindexedEventArgs(string sceneName, IReadOnlyCollection<JObject> sceneItems)
         {
             SceneName = sceneName;
             SceneItems = sceneItems;
diff --git a/obs-websocket-dotnet/Types/Events/SceneListChangedEventArgs.cs b/obs-websocket-dotnet/Types/Events/SceneListChangedEventArgs.cs
index 3d0ccd0..3c5ad73 100644
--- a/obs-websocket-dotnet/Types/Events/SceneListChangedEventArgs.cs
+++ b/obs-websocket-dotnet/Types/Events/SceneListChangedEventArgs.cs
@@ -12,13 +12,13 @@ public class SceneListChangedEventArgs : EventArgs
         /// <summary>
         /// Updated array of scenes
         /// </summary>
-        public List<JObject> Scenes { get; }
-
+        public IReadOnlyCollection<JObject> Scenes { get; }
+        
         /// <summary>
         /// Default Constructor
         /// </summary>
         /// <param name="scenes">Collection of scene data as JObjects</param>
-        public SceneListChangedEventArgs(List<JObject> scenes)
+        public SceneListChangedEventArgs(IReadOnlyCollection<JObject> scenes)
         {
             Scenes = scenes;
         }
diff --git a/obs-websocket-dotnet/Types/Events/SourceFilterListReindexedEventArgs.cs b/obs-websocket-dotnet/Types/Events/SourceFilterListReindexedEventArgs.cs
index 7e1d2b3..e23ac73 100644
--- a/obs-websocket-dotnet/Types/Events/SourceFilterListReindexedEventArgs.cs
+++ b/obs-websocket-dotnet/Types/Events/SourceFilterListReindexedEventArgs.cs
@@ -16,14 +16,14 @@ public class SourceFilterListReindexedEventArgs : EventArgs
         /// <summary>
         /// Array of filter objects
         /// </summary>
-        public List<FilterReorderItem> Filters { get; }
+        public IReadOnlyCollection<FilterReorderItem> Filters { get; }
 
         /// <summary>
         /// Default Constructor
         /// </summary>
         /// <param name="sourceName">The source name</param>
         /// <param name="filters">Collection of filters</param>
-        public SourceFilterListReindexedEventArgs(string sourceName, List<FilterReorderItem> filters)
+        public SourceFilterListReindexedEventArgs(string sourceName, IReadOnlyCollection<FilterReorderItem> filters)
         {
             SourceName = sourceName;
             Filters = filters;