diff --git a/default.config.yml b/default.config.yml
index 4428c1d..7039ae1 100644
--- a/default.config.yml
+++ b/default.config.yml
@@ -23,6 +23,7 @@ homebrew_installed_packages:
   - chromedriver
   - doxygen
   - gettext
+  - gifsicle
   - git
   - go
   - gpg