diff --git a/CHANGELOG.md b/CHANGELOG.md
index ab13bda..ce71980 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,8 @@
+# 1.2.1
+
+* Fix the declared type of `FileSpan.start` and `FileSpan.end`. In 1.2.0 these
+  were mistakenly changed from `FileLocation` to `SourceLocation`.
+
 # 1.2.0
 
 * **Deprecated:** Extending `SourceLocation` directly is deprecated. Instead,
diff --git a/lib/src/file.dart b/lib/src/file.dart
index 95fa92c..37790ce 100644
--- a/lib/src/file.dart
+++ b/lib/src/file.dart
@@ -246,6 +246,9 @@
   /// The [file] that [this] belongs to.
   SourceFile get file;
 
+  FileLocation get start;
+  FileLocation get end;
+
   /// Returns a new span that covers both [this] and [other].
   ///
   /// Unlike [union], [other] may be disjoint from [this]. If it is, the text
diff --git a/pubspec.yaml b/pubspec.yaml
index 25de799..4c703cd 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,5 +1,5 @@
 name: source_span
-version: 1.2.0
+version: 1.2.1
 author: Dart Team <misc@dartlang.org>
 description: A library for identifying source spans and locations.
 homepage: https://github.com/dart-lang/source_span