diff --git a/Directory.Packages.props b/Directory.Packages.props
index 237ceaf00..c00b6e3a6 100644
--- a/Directory.Packages.props
+++ b/Directory.Packages.props
@@ -60,5 +60,8 @@
     <PackageVersion Include="xunit.assert" Version="2.5.3" />
     <PackageVersion Include="xunit.runner.visualstudio" Version="2.5.3"/>
     <PackageVersion Include="envdte" Version="17.7.37355" />
+
+    <PackageVersion Include="System.Memory" Version="4.5.5" />
+    <PackageVersion Include="System.Buffers" Version="4.5.1" />
   </ItemGroup>
 </Project>
diff --git a/test/coverlet.core.tests/coverlet.core.tests.csproj b/test/coverlet.core.tests/coverlet.core.tests.csproj
index c2dc9f8fa..21c0cf453 100644
--- a/test/coverlet.core.tests/coverlet.core.tests.csproj
+++ b/test/coverlet.core.tests/coverlet.core.tests.csproj
@@ -26,6 +26,8 @@
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
+    <PackageReference Include="System.Buffers" Version="4.5.1" />
+    <PackageReference Include="System.Memory" Version="4.5.5" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/test/coverlet.integration.tests/coverlet.integration.tests.csproj b/test/coverlet.integration.tests/coverlet.integration.tests.csproj
index 97a6c7f78..9829344d6 100644
--- a/test/coverlet.integration.tests/coverlet.integration.tests.csproj
+++ b/test/coverlet.integration.tests/coverlet.integration.tests.csproj
@@ -14,6 +14,8 @@
     <PackageReference Include="NuGet.Packaging" Version="6.6.1"/>
     <PackageReference Include="xunit" Version="2.5.3"/>
     <PackageReference Include="xunit.runner.visualstudio" Version="2.5.3"/>
+    <PackageReference Include="System.Buffers" Version="4.5.1" />
+    <PackageReference Include="System.Memory" Version="4.5.5" />
   </ItemGroup>
 
   <ItemGroup>