diff --git a/generate-prs.rb b/generate-prs.rb
index ed869db4..95e13a20 100644
--- a/generate-prs.rb
+++ b/generate-prs.rb
@@ -1,5 +1,6 @@
 require "json"
 require "formula"
+require "ostruct"
 require "utils/ast"
 require "utils/pypi"