diff --git a/analysis/src/FindFiles.ml b/analysis/src/FindFiles.ml
index bc3219d30..878d47555 100644
--- a/analysis/src/FindFiles.ml
+++ b/analysis/src/FindFiles.ml
@@ -105,6 +105,18 @@ let getNamespace config =
     either fromString fromName |> Option.map nameSpaceToName
   else None
 
+module StringSet = Set.Make (String)
+
+let getPublic config =
+  let public = config |> Json.get "public" in
+  match public with
+  | None -> None
+  | Some public -> (
+    match public |> Json.array with
+    | None -> None
+    | Some public ->
+      Some (public |> List.filter_map Json.string |> StringSet.of_list))
+
 let collectFiles directory =
   let allFiles = Files.readDirectory directory in
   let compileds = allFiles |> List.filter isCompiledFile |> filterDuplicates in
@@ -124,8 +136,7 @@ let collectFiles directory =
          | Some res -> Some (modName, SharedTypes.Impl {cmt; res}))
 
 (* returns a list of (absolute path to cmt(i), relative path from base to source file) *)
-let findProjectFiles ~namespace ~path ~sourceDirectories ~libBs =
-  let module StringSet = Set.Make (String) in
+let findProjectFiles ~public ~namespace ~path ~sourceDirectories ~libBs =
   let dirs =
     sourceDirectories |> List.map (Filename.concat path) |> StringSet.of_list
   in
@@ -179,10 +190,18 @@ let findProjectFiles ~namespace ~path ~sourceDirectories ~libBs =
   in
   let result =
     normals
-    |> List.map (fun (name, paths) ->
-           match namespace with
-           | None -> (name, paths)
-           | Some namespace -> (name ^ "-" ^ namespace, paths))
+    |> List.filter_map (fun (name, paths) ->
+           let originalName = name in
+           let name =
+             match namespace with
+             | None -> name
+             | Some namespace -> name ^ "-" ^ namespace
+           in
+           match public with
+           | Some public ->
+             if public |> StringSet.mem originalName then Some (name, paths)
+             else None
+           | None -> Some (name, paths))
   in
   match namespace with
   | None -> result
@@ -236,8 +255,8 @@ let findDependencyFiles base config =
                          | Some _ -> libBs :: compiledDirectories
                        in
                        let projectFiles =
-                         findProjectFiles ~namespace ~path ~sourceDirectories
-                           ~libBs
+                         findProjectFiles ~public:(getPublic inner) ~namespace
+                           ~path ~sourceDirectories ~libBs
                        in
                        Some (compiledDirectories, projectFiles))
                    | None -> None)
diff --git a/analysis/src/Packages.ml b/analysis/src/Packages.ml
index 0f4d9b497..06fb88503 100644
--- a/analysis/src/Packages.ml
+++ b/analysis/src/Packages.ml
@@ -39,8 +39,9 @@ let newBsPackage ~rootPath =
                  config
              in
              let projectFilesAndPaths =
-               FindFiles.findProjectFiles ~namespace ~path:rootPath
-                 ~sourceDirectories ~libBs
+               FindFiles.findProjectFiles
+                 ~public:(FindFiles.getPublic config)
+                 ~namespace ~path:rootPath ~sourceDirectories ~libBs
              in
              projectFilesAndPaths
              |> List.iter (fun (_name, paths) -> Log.log (showPaths paths));