diff --git a/src/Markdig/Markdig.targets b/src/Markdig/Markdig.targets
index 5116ff64..0b7e7e83 100644
--- a/src/Markdig/Markdig.targets
+++ b/src/Markdig/Markdig.targets
@@ -20,6 +20,10 @@
     <SymbolPackageFormat>snupkg</SymbolPackageFormat>
   </PropertyGroup>
 
+  <ItemGroup Condition=" '$(TargetFramework)' == 'netstandard2.0' ">
+    <PackageReference Include="System.Memory" Version="4.5.4" />
+  </ItemGroup>
+
   <PropertyGroup Condition=" '$(TargetFramework)' == 'netcoreapp2.1' ">
     <DefineConstants>$(DefineConstants);NETCORE</DefineConstants>
   </PropertyGroup>
@@ -32,4 +36,5 @@
   <ItemGroup>
     <PackageReference Include="Microsoft.SourceLink.GitHub" Version="1.0.*" PrivateAssets="All"/>
   </ItemGroup>
+
 </Project>