diff --git a/Ix.NET/Source/System.Linq.Async.SourceGenerator/System.Linq.Async.SourceGenerator.csproj b/Ix.NET/Source/System.Linq.Async.SourceGenerator/System.Linq.Async.SourceGenerator.csproj
index cdcc8150b7..049ce04f5c 100644
--- a/Ix.NET/Source/System.Linq.Async.SourceGenerator/System.Linq.Async.SourceGenerator.csproj
+++ b/Ix.NET/Source/System.Linq.Async.SourceGenerator/System.Linq.Async.SourceGenerator.csproj
@@ -5,6 +5,6 @@
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="3.9.0" PrivateAssets="all" />
-    <PackageReference Include="IsExternalInit" Version="1.0.0" PrivateAssets="all" />
+    <PackageReference Include="IsExternalInit" Version="1.0.1" PrivateAssets="all" />
   </ItemGroup>
 </Project>