diff --git a/llvm13.changes b/llvm13.changes
index 80731f3..2a6c5d5 100644
--- a/llvm13.changes
+++ b/llvm13.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Sat Dec 18 15:05:40 UTC 2021 - Aaron Puchert <aaronpuchert@alice-dsl.net>
+
+- BuildRequires: python-rpm-macros to fix Leap 15.3 build.
+- More memory for GCC compile jobs.
+
 -------------------------------------------------------------------
 Fri Nov 12 13:30:15 UTC 2021 - Alberto Planas Dominguez <aplanas@suse.com>
 
diff --git a/llvm13.spec b/llvm13.spec
index 2db3db6..80ab346 100644
--- a/llvm13.spec
+++ b/llvm13.spec
@@ -146,6 +146,7 @@ BuildRequires:  gcc-c++
 BuildRequires:  libstdc++-devel
 BuildRequires:  ninja
 BuildRequires:  pkgconfig
+BuildRequires:  python-rpm-macros
 BuildRequires:  python3-base
 BuildRequires:  pkgconfig(libedit)
 BuildRequires:  pkgconfig(zlib)
@@ -672,7 +673,7 @@ TARGETS_TO_BUILD="host;AMDGPU;BPF;NVPTX"
 TARGETS_TO_BUILD="host;BPF"
 %endif
 
-mem_per_compile_job=900000
+mem_per_compile_job=1000000
 %ifarch i586 ppc armv6hl armv7hl
 # 32-bit arches need less memory than 64-bit arches.
 mem_per_compile_job=600000