diff --git a/src/Directory.Build.props b/src/Directory.Build.props
index b0f75eb..5ab56db 100644
--- a/src/Directory.Build.props
+++ b/src/Directory.Build.props
@@ -16,7 +16,7 @@
     <PackageReference Include="Nerdbank.GitVersioning" PrivateAssets="All" />
     <!-- RuntimeContracts is marked as 'PrivateAssets' because the dependency is erased via ILRepack. -->
     <PackageReference Include="RuntimeContracts" PrivateAssets="All" GeneratePathProperty="true"/>
-    <PackageReference Include="ILRepack.Lib.MSBuild" PrivateAssets="All" />
+    <PackageReference Include="ILRepack.Lib.MSBuild.Task" PrivateAssets="All" />
   </ItemGroup>
 
   <PropertyGroup>
diff --git a/src/Directory.Packages.props b/src/Directory.Packages.props
index b852eb8..708e5cb 100644
--- a/src/Directory.Packages.props
+++ b/src/Directory.Packages.props
@@ -13,7 +13,7 @@
     <PackageVersion Include="Microsoft.CodeAnalysis" Version="4.14.0" />
     <PackageVersion Include="Microsoft.CodeAnalysis.CSharp" Version="4.14.0" />
     <PackageVersion Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="4.14.0" />
-    <PackageVersion Include="ILRepack.Lib.MSBuild" Version="2.1.18" />
+    <PackageVersion Include="ILRepack.Lib.MSBuild.Task" Version="2.0.43" />
     <PackageVersion Include="Nerdbank.GitVersioning" Version="3.6.133" />
     <PackageVersion Include="RuntimeContracts" Version="0.5.0" />
     <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="17.8.0" />
diff --git a/src/ErrorProne.NET.CoreAnalyzers/AsyncAnalyzers/DoNotReturnNullForTaskLikeAnalyzer.cs b/src/ErrorProne.NET.CoreAnalyzers/AsyncAnalyzers/DoNotReturnNullForTaskLikeAnalyzer.cs
index f7a4619..b189cca 100644
--- a/src/ErrorProne.NET.CoreAnalyzers/AsyncAnalyzers/DoNotReturnNullForTaskLikeAnalyzer.cs
+++ b/src/ErrorProne.NET.CoreAnalyzers/AsyncAnalyzers/DoNotReturnNullForTaskLikeAnalyzer.cs
@@ -134,7 +134,7 @@ static bool isReturningNull(IOperation? operation, Compilation compilation)
 
             }
 
-            static IMethodSymbol? findParentLocalOrLambdaSymbol(IOperation operation)
+            static IMethodSymbol? findParentLocalOrLambdaSymbol(IOperation? operation)
             {
                 foreach (var parent in operation.EnumerateParentOperations())
                 {