diff --git a/lispbuilder-lexer/lispbuilder-lexer.asd b/lispbuilder-lexer/lispbuilder-lexer.asd
index a849b59..79da3e0 100644
--- a/lispbuilder-lexer/lispbuilder-lexer.asd
+++ b/lispbuilder-lexer/lispbuilder-lexer.asd
@@ -4,6 +4,7 @@
   :name "lispbuilder-lexer"
   :author "Michael Parker <mparker762@hotmail.com>"
   :licence "BSD"
+  :depends-on (lispbuilder-regex)
   :description "A lexical-analyzer-generator called DEFLEXER, which is built on top of both REGEX and CLAWK"
   
   :components