diff --git a/gnu/packages/python-xyz.scm b/gnu/packages/python-xyz.scm
index 50a586d773..e28e1ebeef 100644
--- a/gnu/packages/python-xyz.scm
+++ b/gnu/packages/python-xyz.scm
@@ -16408,7 +16408,7 @@ (define-public python-bokeh
            python-packaging
            python-pillow
            python-pyyaml
-           python-tornado
+           python-tornado-6
            python-typing-extensions))
     (native-inputs
      (list python-beautifulsoup4