diff --git a/doxygen.changes b/doxygen.changes
index bcc9b66..a233d0a 100644
--- a/doxygen.changes
+++ b/doxygen.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Mon Feb 26 07:48:35 UTC 2024 - Dominique Leuenberger <dimstar@opensuse.org>
+
+- Use %patch -P N instead of deprecated %patchN.
+
 -------------------------------------------------------------------
 Mon Jan 22 11:06:03 UTC 2024 - pgajdos@suse.com
 
diff --git a/doxygen.spec b/doxygen.spec
index 6092dcb..66b4c7c 100644
--- a/doxygen.spec
+++ b/doxygen.spec
@@ -63,13 +63,13 @@ language VHDL.
 %prep
 %setup -q
 # Leap 15 and SLE don't accept '%%autopatch -M'
-%patch1 -p1
+%patch -P 1 -p1
 %if %{with libclang}
 %if 0%{?sle_version} == 150100 || (0%{?sle_version} == 150200 && !0%{?is_opensuse})
-%patch2 -p1
+%patch -P 2 -p1
 %endif
 %endif
-%patch3 -p1
+%patch -P 3 -p1
 
 %build
 %cmake \