diff --git a/python-nbclassic.spec b/python-nbclassic.spec
index f5ef94d..a2a1e15 100644
--- a/python-nbclassic.spec
+++ b/python-nbclassic.spec
@@ -88,6 +88,7 @@ on top of the new Python server backend.
 
 %package -n jupyter-nbclassic
 Summary:        Jupyter Notebook as a Jupyter Server Extension
+Requires:       python3-nbclassic = %{version}
 
 %description -n jupyter-nbclassic
 NBClassic runs the Jupyter Notebook frontend on the Jupyter Server backend.