diff --git a/TermTk/TTkWidgets/apptemplate.py b/TermTk/TTkWidgets/apptemplate.py
index 9ca2d58c..b9cc42e5 100644
--- a/TermTk/TTkWidgets/apptemplate.py
+++ b/TermTk/TTkWidgets/apptemplate.py
@@ -1,3 +1,24 @@
+# MIT License
+#
+# Copyright (c) 2024 Eugenio Parodi <ceccopierangiolieugenio AT googlemail DOT com>
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in all
+# copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
 
 __all__ = ['TTkAppTemplate']
 
diff --git a/demo/showcase/apptemplate.py b/demo/showcase/apptemplate.py
index fc83e8e6..cf2c6735 100755
--- a/demo/showcase/apptemplate.py
+++ b/demo/showcase/apptemplate.py
@@ -2,7 +2,7 @@
 
 # MIT License
 #
-# Copyright (c) 2021 Eugenio Parodi <ceccopierangiolieugenio AT googlemail DOT com>
+# Copyright (c) 2024 Eugenio Parodi <ceccopierangiolieugenio AT googlemail DOT com>
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal