added package topics to the pubspec file (#242)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index b077313..e34bb8c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,7 +1,8 @@
-## 2.4.1-dev
+## 2.4.1
 
 * Add a `CONTRIBUTING.md` file; move the publishing automation docs from the
   readme into the contributing doc.
+* Added package topics to the pubspec file.
 
 ## 2.4.0
 
diff --git a/pubspec.yaml b/pubspec.yaml
index cf3c1d5..0202894 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,10 +1,13 @@
 name: args
-version: 2.4.1-dev
+version: 2.4.1
 description: >-
  Library for defining parsers for parsing raw command-line arguments into a set
  of options and values using GNU and POSIX style options.
 repository: https://github.com/dart-lang/args
 
+topics:
+  - cli
+
 environment:
   sdk: '>=2.18.0 <3.0.0'