diff --git a/lib/Makefile b/lib/Makefile
index dcbab0a4..7b8115a5 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -1,6 +1,8 @@
 SUBDIRS := $(wildcard */.)
 SUBDIRSCLEAN=$(addsuffix clean,$(SUBDIRS))
 
+MAKEFLAGS += -j 2
+
 all: $(SUBDIRS)
 
 $(SUBDIRS):