diff --git a/gnu/packages/maths.scm b/gnu/packages/maths.scm
index 9322818df0b..c0987f699e5 100644
--- a/gnu/packages/maths.scm
+++ b/gnu/packages/maths.scm
@@ -11454,6 +11454,7 @@ Mathics3.")
     (propagated-inputs (list python-django
                              python-mathics-scanner
                              python-mathics-core
+                             python-matplotlib
                              python-networkx
                              python-pygments
                              python-requests))