diff --git a/vtk.changes b/vtk.changes
index 6ab0ff4..c808c59 100644
--- a/vtk.changes
+++ b/vtk.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Tue Feb 20 13:26:32 UTC 2024 - Dominique Leuenberger <dimstar@opensuse.org>
+
+- Use %patch -P N instead of deprecated %patchN.
+
 -------------------------------------------------------------------
 Sun Dec 31 19:55:50 UTC 2023 - Stefan Brüns <stefan.bruens@rwth-aachen.de>
 
diff --git a/vtk.spec b/vtk.spec
index deb473b..b4471e2 100644
--- a/vtk.spec
+++ b/vtk.spec
@@ -397,16 +397,16 @@ languages.
 
 %prep
 %setup -n VTK-%{version}
-%patch1 -p1
-%patch2 -p1
+%patch -P 1 -p1
+%patch -P 2 -p1
 %if %{with gles}
-%patch7 -p1
-%patch8 -p1
-%patch9 -p1
-%patch10 -p1
+%patch -P 7 -p1
+%patch -P 8 -p1
+%patch -P 9 -p1
+%patch -P 10 -p1
 %endif
-%patch17 -p1
-%patch18 -p1
+%patch -P 17 -p1
+%patch -P 18 -p1
 
 # Replace relative path ../../../../VTKData with %%{_datadir}/vtkdata
 # otherwise it will break on symlinks.