diff --git a/rock.osdeps b/rock.osdeps
index efc941d..6a6021a 100644
--- a/rock.osdeps
+++ b/rock.osdeps
@@ -77,7 +77,7 @@ rice:
 qwt5:
     debian,ubuntu:
         default: libqwt5-qt4-dev
-        '20.04': nonexistent
+        '20.04': libqwt-qt5-dev
     fedora,opensuse: qwt-devel
     darwin: qwt
     arch: qwt5