diff --git a/src/SparseTransform/SparseTransform.csproj b/src/SparseTransform/SparseTransform.csproj
index 27ac3865b58fe4f3453372a0efc306e107efd2cd..a6b6eba923aae3e83083e4c736f43aafc0528749 100644
--- a/src/SparseTransform/SparseTransform.csproj
+++ b/src/SparseTransform/SparseTransform.csproj
@@ -6,4 +6,12 @@
     <Nullable>enable</Nullable>
   </PropertyGroup>
 
+  <ItemGroup>
+    <PackageReference Include="Antlr4" Version="4.6.6">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+    </PackageReference>
+    <PackageReference Include="Antlr4.Runtime" Version="4.6.6" />
+  </ItemGroup>
+
 </Project>