diff --git a/lib/mastodon/emoji_cli.rb b/lib/mastodon/emoji_cli.rb
index 5bee70ea51e52bfc0ad8418133deb85ef65af54d..a3e94790985882a7777a71254bbfe7ea5acceb46 100644
--- a/lib/mastodon/emoji_cli.rb
+++ b/lib/mastodon/emoji_cli.rb
@@ -41,7 +41,7 @@ module Mastodon
 
       Gem::Package::TarReader.new(Zlib::GzipReader.open(path)) do |tar|
         tar.each do |entry|
-          next unless entry.file? && entry.full_name.end_with?('.png')
+          next unless entry.file? && entry.full_name.end_with?('.png', '.gif')
 
           filename = File.basename(entry.full_name, '.*')