diff --git a/test/Makefile b/test/Makefile
index e5ffd367fd14c7e79422f229818d36711ac49569..1ac2ff3fea63bc11972fea17aeecfd09b6c72cb6 100644
--- a/test/Makefile
+++ b/test/Makefile
@@ -1,5 +1,6 @@
 DISABLED_TESTS=common/
 TEST_CASES=$(filter-out $(DISABLED_TESTS), $(sort $(dir $(wildcard */))))
+export MAKEFLAGS="-j $(grep -c ^processor /proc/cpuinfo)"
 
 all:
 	@python3 test.py all $(TEST_CASES)