diff --git a/Sources/ProjectDescription/WorkspaceGenerationOptions.swift b/Sources/ProjectDescription/WorkspaceGenerationOptions.swift
index d7aa65a..24ff9c6 100644
--- a/Sources/ProjectDescription/WorkspaceGenerationOptions.swift
+++ b/Sources/ProjectDescription/WorkspaceGenerationOptions.swift
@@ -121,6 +121,9 @@ extension Workspace {
         /// Creates configurations for all projects
         public var configurations: [String: BuildConfiguration.Variant]
 
+        /// Suppress objc class duplication warnings when loading plugins.
+        public var suppressObjcDuplicateClassWarningsDuringPluginLoading: Bool
+
         public init(
             enableAutomaticXcodeSchemes: Bool?,
             autogeneratedWorkspaceSchemes: AutogeneratedWorkspaceSchemes,
@@ -129,7 +132,9 @@ extension Workspace {
             autogenerateLocalPodsProjects: AutogenerateLocalPodsProjects,
             autogenerateLocalPodsSchemes: AutogenerateLocalPodsSchemes,
             commonSettings: [CommonSettings],
-            configurations: [String: BuildConfiguration.Variant]
+            configurations: [String: BuildConfiguration.Variant],
+            // TODO: Remove default value in next major release
+            suppressObjcDuplicateClassWarningsDuringPluginLoading: Bool = true
         ) {
             self.enableAutomaticXcodeSchemes = enableAutomaticXcodeSchemes
             self.autogeneratedWorkspaceSchemes = autogeneratedWorkspaceSchemes
@@ -139,6 +144,7 @@ extension Workspace {
             self.autogenerateLocalPodsSchemes = autogenerateLocalPodsSchemes
             self.commonSettings = commonSettings
             self.configurations = configurations
+            self.suppressObjcDuplicateClassWarningsDuringPluginLoading = suppressObjcDuplicateClassWarningsDuringPluginLoading
         }
 
         public static func options(
@@ -149,7 +155,8 @@ extension Workspace {
             autogenerateLocalPodsProjects: AutogenerateLocalPodsProjects = .disabled,
             autogenerateLocalPodsSchemes: AutogenerateLocalPodsSchemes = .disabled,
             commonSettings: [CommonSettings] = [],
-            configurations: [String: BuildConfiguration.Variant] = ["Debug": .debug, "Release": .release]
+            configurations: [String: BuildConfiguration.Variant] = ["Debug": .debug, "Release": .release],
+            suppressObjcDuplicateClassWarningsDuringPluginLoading: Bool = true
         ) -> Self {
             GenerationOptions(
                 enableAutomaticXcodeSchemes: enableAutomaticXcodeSchemes,
@@ -159,7 +166,8 @@ extension Workspace {
                 autogenerateLocalPodsProjects: autogenerateLocalPodsProjects,
                 autogenerateLocalPodsSchemes: autogenerateLocalPodsSchemes,
                 commonSettings: commonSettings,
-                configurations: configurations
+                configurations: configurations,
+                suppressObjcDuplicateClassWarningsDuringPluginLoading: suppressObjcDuplicateClassWarningsDuringPluginLoading
             )
         }
     }