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 8604e8dc6..21371461e 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
@@ -6,6 +6,6 @@
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="4.0.1" PrivateAssets="all" />
-    <PackageReference Include="IsExternalInit" Version="1.0.2" PrivateAssets="all" />
+    <PackageReference Include="IsExternalInit" Version="1.0.3" PrivateAssets="all" />
   </ItemGroup>
 </Project>