diff --git a/llvm15.changes b/llvm15.changes
index 303a180..161e921 100644
--- a/llvm15.changes
+++ b/llvm15.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Fri Mar  1 12:29:16 UTC 2024 - pgajdos@suse.com
+
+- Use %patch -P N instead of deprecated %patchN.
+
 -------------------------------------------------------------------
 Thu Jan 11 07:38:12 UTC 2024 - Fabian Vogt <fvogt@suse.com>
 
diff --git a/llvm15.spec b/llvm15.spec
index b054a09..16ff164 100644
--- a/llvm15.spec
+++ b/llvm15.spec
@@ -811,29 +811,29 @@ This package contains the development files for Polly.
 
 %prep
 %setup -q -a 1 -a 2 -a 3 -a 4 -a 5 -a 6 -a 7 -a 8 -a 9 -a 10 -b 50 -b 51 -n llvm-%{_version}.src
-%patch0 -p2
-%patch5 -p1
-%patch13 -p1
-%patch14 -p1
-%patch16 -p2
-%patch17 -p2
-%patch20 -p1
-%patch21 -p1
-%patch22 -p1
-%patch24 -p1
-%patch25 -p2
-%patch33 -p2
-%patch34 -p2
-%patch37 -p1
+%patch -P 0 -p2
+%patch -P 5 -p1
+%patch -P 13 -p1
+%patch -P 14 -p1
+%patch -P 16 -p2
+%patch -P 17 -p2
+%patch -P 20 -p1
+%patch -P 21 -p1
+%patch -P 22 -p1
+%patch -P 24 -p1
+%patch -P 25 -p2
+%patch -P 33 -p2
+%patch -P 34 -p2
+%patch -P 37 -p1
 
 pushd clang-%{_version}.src
-%patch2 -p1
-%patch3 -p1
-%patch4 -p1
-%patch6 -p1
-%patch9 -p2
-%patch18 -p2
-%patch36 -p2
+%patch -P 2 -p1
+%patch -P 3 -p1
+%patch -P 4 -p1
+%patch -P 6 -p1
+%patch -P 9 -p2
+%patch -P 18 -p2
+%patch -P 36 -p2
 
 # We hardcode openSUSE
 rm unittests/Driver/DistroTest.cpp
@@ -844,11 +844,11 @@ rm test/Driver/nacl-direct.c
 popd
 
 pushd clang-tools-extra-%{_version}.src
-%patch10 -p2
+%patch -P 10 -p2
 popd
 
 pushd lld-%{_version}.src
-%patch26 -p1
+%patch -P 26 -p1
 # lld got a compile-time dependency on libunwind that we don't want. (https://reviews.llvm.org/D86805)
 mkdir include/mach-o
 cp %{SOURCE11} include/mach-o
@@ -856,17 +856,17 @@ popd
 
 %if %{with lldb}
 pushd lldb-%{_version}.src
-%patch11 -p1
+%patch -P 11 -p1
 popd
 %endif
 
 %if %{with libcxx}
 pushd libcxxabi-%{_version}.src
-%patch35 -p2
+%patch -P 35 -p2
 popd
 
 pushd libcxx-%{_version}.src
-%patch15 -p2
+%patch -P 15 -p2
 rm test/libcxx/thread/thread.threads/thread.thread.this/sleep_for.pass.cpp
 rm test/std/localization/locale.categories/category.time/locale.time.get.byname/get_monthname.pass.cpp
 rm test/std/localization/locale.categories/category.time/locale.time.get.byname/get_monthname_wide.pass.cpp