diff --git a/src/Cake.AppVeyor.Tests/Cake.AppVeyor.Tests.csproj b/src/Cake.AppVeyor.Tests/Cake.AppVeyor.Tests.csproj
index 3f5df00..83324ce 100644
--- a/src/Cake.AppVeyor.Tests/Cake.AppVeyor.Tests.csproj
+++ b/src/Cake.AppVeyor.Tests/Cake.AppVeyor.Tests.csproj
@@ -5,7 +5,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Cake.Testing" Version="2.2.0" />
+    <PackageReference Include="Cake.Testing" Version="4.0.0" />
     <PackageReference Include="coverlet.msbuild" Version="6.0.2">
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
       <PrivateAssets>all</PrivateAssets>
diff --git a/src/Cake.AppVeyor/Cake.AppVeyor.csproj b/src/Cake.AppVeyor/Cake.AppVeyor.csproj
index dd5e940..927b02d 100644
--- a/src/Cake.AppVeyor/Cake.AppVeyor.csproj
+++ b/src/Cake.AppVeyor/Cake.AppVeyor.csproj
@@ -33,8 +33,8 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Cake.Common" Version="2.0.0" PrivateAssets="All" />
-    <PackageReference Include="Cake.Core" Version="2.0.0" PrivateAssets="All" />
+    <PackageReference Include="Cake.Common" Version="4.0.0" PrivateAssets="All" />
+    <PackageReference Include="Cake.Core" Version="4.0.0" PrivateAssets="All" />
     <PackageReference Include="Microsoft.SourceLink.GitHub" Version="8.0.0">
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
       <PrivateAssets>all</PrivateAssets>