diff --git a/gnu/packages/radio.scm b/gnu/packages/radio.scm
index 72f0618313..c2886cd1ac 100644
--- a/gnu/packages/radio.scm
+++ b/gnu/packages/radio.scm
@@ -375,6 +375,7 @@ (define-public gnuradio
        ("python-click" ,python-click)
        ("python-click-plugins" ,python-click-plugins)
        ("python-lxml" ,python-lxml)
+       ("python-matplotlib" ,python-matplotlib)
        ("python-numpy" ,python-numpy)
        ("python-pycairo" ,python-pycairo)
        ("python-pygobject" ,python-pygobject)