Actually update the version number! (#33)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2dd26e1..16e5b79 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,4 @@
-## 0.5.6+1
+## 0.5.6+4
 
 - Changes to make the library strong mode (runtime) clean.
 
diff --git a/pubspec.yaml b/pubspec.yaml
index e69d129..aab8c3e 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,5 +1,5 @@
 name: dart2js_info
-version: 0.5.6+3
+version: 0.5.6+4
 description: >
   Libraries and tools to process data produced when running dart2js with
   --dump-info.