diff --git a/gnu/packages/qt.scm b/gnu/packages/qt.scm
index a54713dc31..ed1e428acd 100644
--- a/gnu/packages/qt.scm
+++ b/gnu/packages/qt.scm
@@ -5041,9 +5041,9 @@ top of the PyQt bindings for Qt.  PyQt-builder is used to build PyQt itself.")
 PySide2, PyQt6, PySide6) and additional custom QWidgets.")
     (license license:expat)))
 
-(define-public python-qt.py
+(define-public python-qt-py
   (package
-    (name "python-qt.py")
+    (name "python-qt-py")
     (version "1.3.7")
     (source
      (origin
@@ -5062,6 +5062,9 @@ PySide2, PyQt6, PySide6) and additional custom QWidgets.")
 bindings (PySide, PySide2, PyQt4 and PyQt5).")
     (license license:expat)))
 
+;; XXX: Deprecated on <2026-03-13>.
+(define-deprecated-package python-qt.py python-qt-py)
+
 (define-public python-superqt
   (package
     (name "python-superqt")
diff --git a/gnu/packages/radio.scm b/gnu/packages/radio.scm
index 364aba5778..41570f1af0 100644
--- a/gnu/packages/radio.scm
+++ b/gnu/packages/radio.scm
@@ -912,7 +912,7 @@ are interested in.")
      (list bash-minimal
            python-pyqt
            python-pyqtgraph
-           python-qt.py
+           python-qt-py
            python-simplespectral
            python-simplesoapy
            soapy-power))