diff --git a/misc/scripts/inc_year b/misc/scripts/inc_year
index 7e29c7fbd6..166c50b8c8 100755
--- a/misc/scripts/inc_year
+++ b/misc/scripts/inc_year
@@ -17,6 +17,7 @@ echo "Updating dates to use $new_year instead of $old_year:"
 # Update copyright to extend to the new year.
 for f in docs/doxygen/mainpages/copyright.h docs/doxygen/regen.sh \
          interface/wx/aboutdlg.h interface/wx/generic/aboutdlgg.h \
+         samples/dialogs/dialogs.cpp \
          src/common/utilscmn.cpp src/msw/version.rc \
          ; do
     run_sed $f "s/1992-$old_year/1992-$new_year/"
diff --git a/samples/dialogs/dialogs.cpp b/samples/dialogs/dialogs.cpp
index 8522dfe60c..868223f531 100644
--- a/samples/dialogs/dialogs.cpp
+++ b/samples/dialogs/dialogs.cpp
@@ -3428,7 +3428,7 @@ static void InitAboutInfoMinimal(wxAboutDialogInfo& info)
                         wxVERSION_NUM_DOT_STRING
                     ));
     info.SetDescription("This sample shows different wxWidgets dialogs.");
-    info.SetCopyright("Copyright (C) 1998-2023 wxWidgets dev team.");
+    info.SetCopyright("Copyright (C) 1992-2025 wxWidgets dev team.");
 }
 
 static void InitAboutInfoWebsite(wxAboutDialogInfo& info)