diff --git a/gnu/packages/bioinformatics.scm b/gnu/packages/bioinformatics.scm
index c08297d7b6..02b338be6e 100644
--- a/gnu/packages/bioinformatics.scm
+++ b/gnu/packages/bioinformatics.scm
@@ -60,6 +60,7 @@
   #:use-module (gnu packages gd)
   #:use-module (gnu packages gtk)
   #:use-module (gnu packages glib)
+  #:use-module (gnu packages graph)
   #:use-module (gnu packages groff)
   #:use-module (gnu packages guile)
   #:use-module (gnu packages haskell)