diff --git a/strongswan.changes b/strongswan.changes
index d8aba38..3c06b42 100644
--- a/strongswan.changes
+++ b/strongswan.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Mon Feb 26 13:31:08 UTC 2024 - Dominique Leuenberger <dimstar@opensuse.org>
+
+- Use %patch -P N instead of deprecated %patchN.
+
 -------------------------------------------------------------------
 Fri Dec  1 10:31:13 UTC 2023 - Jan Engelhardt <jengelh@inai.de>
 
diff --git a/strongswan.spec b/strongswan.spec
index 465acbb..aa2f4f1 100644
--- a/strongswan.spec
+++ b/strongswan.spec
@@ -218,12 +218,12 @@ and the load testing plugin for IKEv2 daemon.
 
 %prep
 %setup -q -n %{name}-%{upstream_version}
-%patch2 -p1
-%patch5 -p1
+%patch -P 2 -p1
+%patch -P 5 -p1
 sed -e 's|@libexecdir@|%_libexecdir|g'    \
      < %{_sourcedir}/strongswan.init.in \
      > strongswan.init
-%patch6 -p1
+%patch -P 6 -p1
 
 %build
 CFLAGS="%{optflags} -W -Wall -Wno-pointer-sign -Wno-strict-aliasing -Wno-unused-parameter"