diff --git a/libraries/uriparser/uriparser.info b/libraries/uriparser/uriparser.info
index 4499490d60..fc7a0829d8 100644
--- a/libraries/uriparser/uriparser.info
+++ b/libraries/uriparser/uriparser.info
@@ -5,6 +5,6 @@ DOWNLOAD="https://github.com/uriparser/uriparser/releases/download/uriparser-0.8
 MD5SUM="80c110ec22b70570ec124563a7a63075"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
-REQUIRES=""
+REQUIRES="graphviz"
 MAINTAINER="Matteo Bernardini"
 EMAIL="ponce@slackbuilds.org"