Add `topics` to `pubspec.yaml` (#126)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2e2c131..347e55d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 1.0.6-wip
+
+* Add `topics` section to `pubspec.yaml`.
+
 ## 1.0.5
 
 * Update `video/mp4` mimeType lookup by header bytes.
diff --git a/pubspec.yaml b/pubspec.yaml
index c09f00e..72f9b03 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,10 +1,14 @@
 name: mime
-version: 1.0.5
+version: 1.0.6-wip
 description: >-
   Utilities for handling media (MIME) types, including determining a type from
   a file extension and file contents.
 repository: https://github.com/dart-lang/mime
 
+topics:
+ - mime
+ - magic-numbers
+
 environment:
   sdk: ^3.2.0