diff --git a/Makefile b/Makefile
index 5ee2a9b..3a08157 100644
--- a/Makefile
+++ b/Makefile
@@ -6,11 +6,14 @@ run:
 	dart run scip_dart ./snapshots/input/staging-project --verbose
 
 snap:
-	scip snapshot --to ./snapshots/output/staging-project
+	scip snapshot --project-root ./snapshots/input/staging-project --to ./snapshots/output/staging-project
 
 lint:
 	scip lint ./index.scip
 
+stats:
+	scip stats
+
 gen-proto:
 	protoc --dart_out=. ./lib/src/gen/scip.proto
 
diff --git a/lib/src/indexer.dart b/lib/src/indexer.dart
index d5c5873..f668447 100644
--- a/lib/src/indexer.dart
+++ b/lib/src/indexer.dart
@@ -31,7 +31,7 @@ Future<Index> indexPackage(
   }
 
   final metadata = Metadata(
-    projectRoot: 'file:/' + dirPath,
+    projectRoot: Uri.file(dirPath).toString(),
     textDocumentEncoding: TextEncoding.UTF8,
     toolInfo: ToolInfo(
       name: 'scip-dart',
diff --git a/pubspec.lock b/pubspec.lock
index ca9fe15..ecdf853 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -21,7 +21,7 @@ packages:
       name: args
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.4.2"
+    version: "2.4.1"
   async:
     dependency: transitive
     description:
@@ -175,7 +175,7 @@ packages:
       name: glob
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.2"
+    version: "2.1.1"
   graphs:
     dependency: transitive
     description: