diff --git a/lib/reapack/index.rb b/lib/reapack/index.rb
index 38a08df..0a801ad 100644
--- a/lib/reapack/index.rb
+++ b/lib/reapack/index.rb
@@ -14,6 +14,7 @@
 require 'shellwords'
 require 'stable_sort'
 require 'time'
+require 'uri'
 
 require 'reapack/index/cdetector'
 require 'reapack/index/cli'