diff --git a/brp-python-bytecompile b/brp-python-bytecompile
index 3092bdf..1f7c4cd 100644
--- a/brp-python-bytecompile
+++ b/brp-python-bytecompile
@@ -11,6 +11,8 @@ if [ 0$extra -eq 1 ]; then
     exit 1
 fi
 
+compileall_flags="$4"
+
 # If using normal root, avoid changing anything.
 if [ -z "$RPM_BUILD_ROOT" -o "$RPM_BUILD_ROOT" = "/" ]; then
 	exit 0
@@ -36,6 +38,7 @@ function python_bytecompile()
     local python_binary=$2
     local exclude=$3
     local python_libdir="$4"
+    local compileall_flags="$5"
 
     python_version=$($python_binary -c "import sys; sys.stdout.write('{0.major}{0.minor}'.format(sys.version_info))")
 
@@ -77,7 +80,7 @@ function python_bytecompile()
         # -x and -e together implements the same functionality as the Filter class below
         # -s strips $RPM_BUILD_ROOT from the path
         # -p prepends the leading slash to the path to make it absolute
-        PYTHONPATH=/usr/lib/rpm/redhat/ $python_binary -B -m $compileall_module -o 0 -o 1 -q -f $exclude -s "$RPM_BUILD_ROOT" -p / --hardlink-dupes $invalidation_option -e "$RPM_BUILD_ROOT" "$python_libdir"
+        PYTHONPATH=/usr/lib/rpm/redhat/ $python_binary -B -m $compileall_module $compileall_flags -o 0 -o 1 -q -f $exclude -s "$RPM_BUILD_ROOT" -p / --hardlink-dupes $invalidation_option -e "$RPM_BUILD_ROOT" "$python_libdir"
 
     else
 #
@@ -133,12 +136,12 @@ do
 	echo "Bytecompiling .py files below $python_libdir using $python_binary"
 
 	# Generate normal (.pyc) byte-compiled files.
-	python_clamp_source_mtime "" "$python_binary" "" "$python_libdir"
+	python_clamp_source_mtime "" "$python_binary" "" "$python_libdir" ""
 	if [ $? -ne 0 -a 0$errors_terminate -ne 0 ]; then
 		# One or more of the files had inaccessible mtime
 		exit 1
 	fi
-	python_bytecompile "" "$python_binary" "" "$python_libdir"
+	python_bytecompile "" "$python_binary" "" "$python_libdir" "$compileall_flags"
 	if [ $? -ne 0 -a 0$errors_terminate -ne 0 ]; then
 		# One or more of the files had a syntax error
 		exit 1
@@ -146,7 +149,7 @@ do
 
 	# Generate optimized (.pyo) byte-compiled files.
 	# N.B. For Python 3.4+, this call does nothing
-	python_bytecompile "-O" "$python_binary" "" "$python_libdir"
+	python_bytecompile "-O" "$python_binary" "" "$python_libdir" "$compileall_flags"
 	if [ $? -ne 0 -a 0$errors_terminate -ne 0 ]; then
 		# One or more of the files had a syntax error
 		exit 1
diff --git a/macros.pybytecompile b/macros.pybytecompile
index 8c9fbee..e5e5a47 100644
--- a/macros.pybytecompile
+++ b/macros.pybytecompile
@@ -35,18 +35,18 @@ py2_byte_compile () {\
 py34_byte_compile () {\
     python_binary="%{__env_unset_source_date_epoch_if_not_clamp_mtime} PYTHONHASHSEED=0 %1"\
     bytecode_compilation_path="%2"\
-    PYTHONPATH="%{_rpmconfigdir}/redhat" $python_binary -s -B -m compileall2 -o 0 -o 1 -s $RPM_BUILD_ROOT -p / --hardlink-dupes $bytecode_compilation_path \
+    PYTHONPATH="%{_rpmconfigdir}/redhat" $python_binary -s -B -m compileall2 %{?_smp_mflags} -o 0 -o 1 -s $RPM_BUILD_ROOT -p / --hardlink-dupes $bytecode_compilation_path \
 }\
 py37_byte_compile () {\
     python_binary="%{__env_unset_source_date_epoch_if_not_clamp_mtime} PYTHONHASHSEED=0 %1"\
     bytecode_compilation_path="%2"\
-    PYTHONPATH="%{_rpmconfigdir}/redhat" $python_binary -s -B -m compileall2 -o 0 -o 1 -s $RPM_BUILD_ROOT -p / --hardlink-dupes --invalidation-mode=timestamp $bytecode_compilation_path \
+    PYTHONPATH="%{_rpmconfigdir}/redhat" $python_binary -s -B -m compileall2 %{?_smp_mflags} -o 0 -o 1 -s $RPM_BUILD_ROOT -p / --hardlink-dupes --invalidation-mode=timestamp $bytecode_compilation_path \
 }\
 \
 py39_byte_compile () {\
     python_binary="%{__env_unset_source_date_epoch_if_not_clamp_mtime} PYTHONHASHSEED=0 %1"\
     bytecode_compilation_path="%2"\
-    $python_binary -s -B -m compileall -o 0 -o 1 -s $RPM_BUILD_ROOT -p / --hardlink-dupes --invalidation-mode=timestamp $bytecode_compilation_path \
+    $python_binary -s -B -m compileall %{?_smp_mflags} -o 0 -o 1 -s $RPM_BUILD_ROOT -p / --hardlink-dupes --invalidation-mode=timestamp $bytecode_compilation_path \
 }\
 \
 # Path to intepreter should not contain any arguments \
diff --git a/macros.python-srpm b/macros.python-srpm
index 70a04ac..5e57102 100644
--- a/macros.python-srpm
+++ b/macros.python-srpm
@@ -78,7 +78,7 @@
 %__env_unset_source_date_epoch_if_not_clamp_mtime %[0%{?clamp_mtime_to_source_date_epoch} == 0 ? "env -u SOURCE_DATE_EPOCH" : "env"]
 
 ## The individual BRP scripts
-%__brp_python_bytecompile %{__env_unset_source_date_epoch_if_not_clamp_mtime} %{_rpmconfigdir}/redhat/brp-python-bytecompile "" "%{?_python_bytecompile_errors_terminate_build}" "%{?_python_bytecompile_extra}"
+%__brp_python_bytecompile %{__env_unset_source_date_epoch_if_not_clamp_mtime} %{_rpmconfigdir}/redhat/brp-python-bytecompile "" "%{?_python_bytecompile_errors_terminate_build}" "%{?_python_bytecompile_extra}" "%{?_smp_mflags}"
 %__brp_fix_pyc_reproducibility %{_rpmconfigdir}/redhat/brp-fix-pyc-reproducibility
 %__brp_python_hardlink %{_rpmconfigdir}/redhat/brp-python-hardlink
 
diff --git a/python-rpm-macros.spec b/python-rpm-macros.spec
index d9daf49..919f470 100644
--- a/python-rpm-macros.spec
+++ b/python-rpm-macros.spec
@@ -167,6 +167,7 @@ grep -E '^#[^%%]*%%[^%%]' %{buildroot}%{rpmmacrodir}/macros.* && exit 1 || true
 - Bytecompilation: Unset $SOURCE_DATE_EPOCH when %%clamp_mtime_to_source_date_epoch is not set
 - Bytecompilation: Pass --invalidation-mode=timestamp to compileall (on Python 3.7+)
 - Bytecompilation: Clamp source mtime: https://fedoraproject.org/wiki/Changes/ReproducibleBuildsClampMtimes
+- Bytecompilation: Compile Python files in parallel, according to %%_smp_mflags
 
 * Sun Nov 13 2022 Miro Hrončok <mhroncok@redhat.com> - 3.11-6
 - Set PYTEST_XDIST_AUTO_NUM_WORKERS=%%{_smp_build_ncpus} from %%pytest