prepare for release
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 961ef9e..b8d3adc 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 0.5.5+1
+
+- Support the latest versions of `shelf` and `args` packages.
+
 ## 0.5.5
 
 - Added `diff` tool.
diff --git a/pubspec.yaml b/pubspec.yaml
index 51aa09c..1b1eed1 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,5 +1,5 @@
 name: dart2js_info
-version: 0.5.5
+version: 0.5.5+1
 description: >
   Libraries and tools to process data produced when running dart2js with
   --dump-info.