diff --git a/build/Packages.props b/build/Packages.props
index de5691ba10..73e09859d4 100644
--- a/build/Packages.props
+++ b/build/Packages.props
@@ -12,7 +12,7 @@
     </PropertyGroup>
 
     <ItemGroup>
-        <PackageReference Update="Cake.Scripting.Transport" Version="0.6.4" />
+        <PackageReference Update="Cake.Scripting.Transport" Version="0.8.1" />
 
         <PackageReference Update="Dotnet.Script.DependencyModel" Version="1.1.0" />
         <PackageReference Update="Dotnet.Script.DependencyModel.NuGet" Version="1.1.0" />
diff --git a/test-assets/test-projects/CakeProject/tools/packages.config b/test-assets/test-projects/CakeProject/tools/packages.config
index 7a82ca0a18..a69007a428 100644
--- a/test-assets/test-projects/CakeProject/tools/packages.config
+++ b/test-assets/test-projects/CakeProject/tools/packages.config
@@ -1,4 +1,4 @@
 <packages>
-    <package id="Cake" version="0.27.2" />
-    <package id="Cake.Bakery" version="0.5.0" />
+    <package id="Cake" version="1.3.0" />
+    <package id="Cake.Bakery" version="0.8.1" />
 </packages>
diff --git a/tests/OmniSharp.Cake.Tests/CompletionFacts.cs b/tests/OmniSharp.Cake.Tests/CompletionFacts.cs
index 286fc4a309..874f07ec66 100644
--- a/tests/OmniSharp.Cake.Tests/CompletionFacts.cs
+++ b/tests/OmniSharp.Cake.Tests/CompletionFacts.cs
@@ -149,7 +149,7 @@ class FooChild : Foo
                 Assert.Equal(
                     new[]
                     {
-                        "Equals(object obj)", "GetHashCode()", "Test(string text)",
+                        "Equals(object? obj)", "GetHashCode()", "Test(string text)",
                         "Test(string text, string moreText)", "ToString()"
                     },
                     completions.Items.Select(c => c.Label));