Bump file dependency (#23)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 28fda89..53b1990 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+#### 2.0.9
+
+* Bumped `package:file` dependency
+
 ### 2.0.8
 
 * Fixed method getArguments to qualify the map method with the specific
diff --git a/pubspec.yaml b/pubspec.yaml
index 41ad540..07637b8 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,5 +1,5 @@
 name: process
-version: 2.0.8
+version: 2.0.9
 authors:
 - Todd Volkert <tvolkert@google.com>
 - Michael Goderbauer <goderbauer@google.com>
@@ -7,7 +7,7 @@
 homepage: https://github.com/google/process.dart
 
 dependencies:
-  file: ^2.0.1
+  file: '>=2.0.1 <4.0.0'
   intl: '>=0.14.0 <0.16.0'
   meta: ^1.0.4
   path: ^1.4.0