diff --git a/html-dtd.changes b/html-dtd.changes
index 134671d..2e2a872 100644
--- a/html-dtd.changes
+++ b/html-dtd.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Thu Feb 22 08:00:20 UTC 2024 - Dominique Leuenberger <dimstar@opensuse.org>
+
+- Use %patch -P N instead of deprecated %patchN.
+
 -------------------------------------------------------------------
 Mon Nov  6 16:13:11 UTC 2023 - Dominique Leuenberger <dimstar@opensuse.org>
 
diff --git a/html-dtd.spec b/html-dtd.spec
index a1e3568..184e2b4 100644
--- a/html-dtd.spec
+++ b/html-dtd.spec
@@ -77,7 +77,7 @@ mkdir html-4.01
 (cd html-4.01 && tar zxf $RPM_SOURCE_DIR/html401.tgz)
 cp -p %{SOURCE7} .
 %{INSTALL_DATA} %{SOURCE8} README.SUSE
-%patch0 -p1
+%patch -P 0 -p1
 find . -type f | xargs chmod 644
 find . -type d | xargs chmod 755