diff --git a/origami-parsers.el b/origami-parsers.el
index 95ae526..1019f5e 100644
--- a/origami-parsers.el
+++ b/origami-parsers.el
@@ -37,6 +37,7 @@
 
 (require 'cl-lib)
 (require 'dash)
+(require 'rx)
 (require 's)
 (require 'subr-x)