diff --git a/src/Jab/Attributes.cs b/src/Jab/Attributes.cs
index fe28f1e..d015414 100644
--- a/src/Jab/Attributes.cs
+++ b/src/Jab/Attributes.cs
@@ -13,6 +13,7 @@ namespace Jab
 #if JAB_ATTRIBUTES_PACKAGE
     public
 #else
+    [global::System.CodeDom.Compiler.GeneratedCodeAttribute("Jab", null)]
     internal
 #endif
     class ServiceProviderAttribute: Attribute
@@ -24,6 +25,7 @@ class ServiceProviderAttribute: Attribute
 #if JAB_ATTRIBUTES_PACKAGE
     public
 #else
+    [global::System.CodeDom.Compiler.GeneratedCodeAttribute("Jab", null)]
     internal
 #endif
     class ServiceProviderModuleAttribute: Attribute
@@ -34,6 +36,7 @@ class ServiceProviderModuleAttribute: Attribute
 #if JAB_ATTRIBUTES_PACKAGE
     public
 #else
+    [global::System.CodeDom.Compiler.GeneratedCodeAttribute("Jab", null)]
     internal
 #endif
     class ImportAttribute: Attribute
@@ -50,6 +53,7 @@ public ImportAttribute(Type moduleType)
 #if JAB_ATTRIBUTES_PACKAGE
     public
 #else
+    [global::System.CodeDom.Compiler.GeneratedCodeAttribute("Jab", null)]
     internal
 #endif
     class SingletonAttribute: Attribute
@@ -80,6 +84,7 @@ public SingletonAttribute(Type serviceType, Type implementationType)
 #if JAB_ATTRIBUTES_PACKAGE
     public
 #else
+    [global::System.CodeDom.Compiler.GeneratedCodeAttribute("Jab", null)]
     internal
 #endif
     class TransientAttribute : Attribute
@@ -107,6 +112,7 @@ public TransientAttribute(Type serviceType, Type implementationType)
 #if JAB_ATTRIBUTES_PACKAGE
     public
 #else
+    [global::System.CodeDom.Compiler.GeneratedCodeAttribute("Jab", null)]
     internal
 #endif
     class ScopedAttribute : Attribute
@@ -152,6 +158,7 @@ public FromNamedServicesAttribute(string name)
 #if JAB_ATTRIBUTES_PACKAGE
     public
 #else
+    [global::System.CodeDom.Compiler.GeneratedCodeAttribute("Jab", null)]
     internal
 #endif
     class ImportAttribute<TModule> : ImportAttribute
@@ -165,6 +172,7 @@ public ImportAttribute() : base(typeof(TModule))
 #if JAB_ATTRIBUTES_PACKAGE
     public
 #else
+    [global::System.CodeDom.Compiler.GeneratedCodeAttribute("Jab", null)]
     internal
 #endif
     class TransientAttribute<TService> : TransientAttribute
@@ -178,6 +186,7 @@ public TransientAttribute() : base(typeof(TService))
 #if JAB_ATTRIBUTES_PACKAGE
     public
 #else
+    [global::System.CodeDom.Compiler.GeneratedCodeAttribute("Jab", null)]
     internal
 #endif
     class TransientAttribute<TService, TImpl> : TransientAttribute where TImpl: TService
@@ -191,6 +200,7 @@ public TransientAttribute() : base(typeof(TService), typeof(TImpl))
 #if JAB_ATTRIBUTES_PACKAGE
     public
 #else
+    [global::System.CodeDom.Compiler.GeneratedCodeAttribute("Jab", null)]
     internal
 #endif
     class ScopedAttribute<TService> : ScopedAttribute
@@ -204,6 +214,7 @@ public ScopedAttribute() : base(typeof(TService))
 #if JAB_ATTRIBUTES_PACKAGE
     public
 #else
+    [global::System.CodeDom.Compiler.GeneratedCodeAttribute("Jab", null)]
     internal
 #endif
     class ScopedAttribute<TService, TImpl> : ScopedAttribute where TImpl: TService
@@ -218,6 +229,7 @@ public ScopedAttribute() : base(typeof(TService), typeof(TImpl))
 #if JAB_ATTRIBUTES_PACKAGE
     public
 #else
+    [global::System.CodeDom.Compiler.GeneratedCodeAttribute("Jab", null)]
     internal
 #endif
     class SingletonAttribute<TService> : SingletonAttribute
@@ -231,6 +243,7 @@ public SingletonAttribute() : base(typeof(TService))
 #if JAB_ATTRIBUTES_PACKAGE
     public
 #else
+    [global::System.CodeDom.Compiler.GeneratedCodeAttribute("Jab", null)]
     internal
 #endif
     class SingletonAttribute<TService, TImpl> : SingletonAttribute where TImpl: TService
@@ -245,6 +258,7 @@ public SingletonAttribute() : base(typeof(TService), typeof(TImpl))
 #if JAB_ATTRIBUTES_PACKAGE
     public
 #else
+    [global::System.CodeDom.Compiler.GeneratedCodeAttribute("Jab", null)]
     internal
 #endif
     interface IServiceProvider<T>
@@ -255,6 +269,7 @@ interface IServiceProvider<T>
 #if JAB_ATTRIBUTES_PACKAGE
     public
 #else
+    [global::System.CodeDom.Compiler.GeneratedCodeAttribute("Jab", null)]
     internal
 #endif
     interface INamedServiceProvider<T>
diff --git a/src/Jab/ContainerGenerator.cs b/src/Jab/ContainerGenerator.cs
index 19b29f4..a0657e4 100644
--- a/src/Jab/ContainerGenerator.cs
+++ b/src/Jab/ContainerGenerator.cs
@@ -5,6 +5,9 @@
 public partial class ContainerGenerator : DiagnosticAnalyzer
 #pragma warning restore RS1001 // We don't want this to be discovered as analyzer but it simplifies testing
 {
+    /// <summary>Code for a [GeneratedCode] attribute to put on the top-level generated members.</summary>
+    private static readonly string _generatedCodeAttribute = $"[global::System.CodeDom.Compiler.GeneratedCodeAttribute(\"{typeof(ContainerGenerator).Assembly.GetName().Name}\", \"{typeof(ContainerGenerator).Assembly.GetName().Version}\")]";
+
     private void GenerateCallSiteWithCache(CodeWriter codeWriter, string rootReference, ServiceCallSite serviceCallSite, Action<CodeWriter, CodeWriterDelegate> valueCallback)
     {
         if (serviceCallSite is ErrorCallSite errorCallSite)
@@ -199,6 +202,7 @@ private void Execute(GeneratorContext context)
                         codeWriter.Scope($"{SyntaxFacts.GetText(containingType.DeclaredAccessibility)} partial class {containingType.Name}") :
                         null;
 
+                    codeWriter.LineRaw(_generatedCodeAttribute);
                     codeWriter.Append($"{SyntaxFacts.GetText(root.Type.DeclaredAccessibility)} partial class {root.Type.Name}");
                     WriteInterfaces(codeWriter, root, false);
                     using (codeWriter.Scope())