diff --git a/0001-makefile-fix-parallel-build.patch b/0001-makefile-fix-parallel-build.patch
new file mode 100644
index 0000000..2e724d2
--- /dev/null
+++ b/0001-makefile-fix-parallel-build.patch
@@ -0,0 +1,77 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Miguel Bernal Marin <miguel.bernal.marin@linux.intel.com>
+Date: Tue, 2 Jul 2019 01:14:51 -0500
+Subject: [PATCH] makefile: fix parallel build
+
+Since 9c81f4c32c1f ("hv:build library to lib_mod.a"), the parallel build
+system was broken. You cannot use "make -j #" to build ACRN.
+
+To fix this we need to declare explicit rules for the files to be built.
+---
+ hypervisor/Makefile | 28 ++++++++++++++++++++++++++++
+ 1 file changed, 28 insertions(+)
+
+diff --git a/hypervisor/Makefile b/hypervisor/Makefile
+index 0fbac5a9..c824c353 100644
+--- a/hypervisor/Makefile
++++ b/hypervisor/Makefile
+@@ -385,21 +385,45 @@ header: $(VERSION) $(HV_OBJDIR)/$(HV_CONFIG_H) $(TARGET_ACPI_INFO_HEADER)
+ .PHONY: lib-mod boot-mod hw-mod vp-base-mod vp-dm-mod vp-trusty-mod vp-hcall-mod sys-init-mod
+ lib-mod: $(LIB_C_OBJS) $(LIB_S_OBJS)
+ 	$(AR) $(ARFLAGS) $(LIB_MOD) $(LIB_C_OBJS) $(LIB_S_OBJS)
++
++$(LIB_MOD): lib-mod
++
+ boot-mod: $(BOOT_S_OBJS) $(BOOT_C_OBJS)
+ 	$(AR) $(ARFLAGS) $(BOOT_MOD) $(BOOT_S_OBJS) $(BOOT_C_OBJS)
++
++$(BOOT_MOD): boot-mod
++
+ hw-mod: $(HW_S_OBJS) $(HW_C_OBJS)
+ 	$(AR) $(ARFLAGS) $(HW_MOD) $(HW_S_OBJS) $(HW_C_OBJS)
++
++$(HW_MOD): hw-mod
++
+ vp-base-mod: $(VP_BASE_S_OBJS) $(VP_BASE_C_OBJS)
+ 	$(AR) $(ARFLAGS) $(VP_BASE_MOD) $(VP_BASE_S_OBJS) $(VP_BASE_C_OBJS)
++
++$(VP_BASE_MOD): vp-base-mod
++
+ vp-dm-mod: $(VP_DM_C_OBJS)
+ 	$(AR) $(ARFLAGS) $(VP_DM_MOD) $(VP_DM_C_OBJS)
++
++$(VP_DM_MOD): vp-dm-mod
++
+ vp-trusty-mod: $(VP_TRUSTY_C_OBJS)
+ 	$(AR) $(ARFLAGS) $(VP_TRUSTY_MOD) $(VP_TRUSTY_C_OBJS)
++
++$(VP_TRUSTY_MOD): vp-trusty-mod
++
+ vp-hcall-mod: $(VP_HCALL_C_OBJS)
+ 	$(AR) $(ARFLAGS) $(VP_HCALL_MOD) $(VP_HCALL_C_OBJS)
++
++$(VP_HCALL_MOD): vp-hcall-mod
++
+ sys-init-mod: $(SYS_INIT_C_OBJS)
+ 	$(AR) $(ARFLAGS) $(SYS_INIT_MOD) $(SYS_INIT_C_OBJS)
+ 
++$(SYS_INIT_MOD): sys-init-mod
++
++
+ .PHONY: lib
+ lib: $(SUB_MAKEFILES)
+ 
+@@ -409,6 +433,10 @@ $(SUB_MAKEFILES): header
+ 		$(MAKE) -f $$Makefile MKFL_NAME=$$Makefile; \
+ 	done
+ 
++$(LIB_RELEASE): lib
++
++$(LIB_DEBUG): lib
++
+ $(HV_OBJDIR)/$(HV_FILE).32.out: $(HV_OBJDIR)/$(HV_FILE).out
+ 	$(OBJCOPY) -S --section-alignment=0x1000 -O elf32-i386 $< $@
+ 
+-- 
+https://clearlinux.org
+
diff --git a/series b/series
new file mode 100644
index 0000000..1a42336
--- /dev/null
+++ b/series
@@ -0,0 +1 @@
+0001-makefile-fix-parallel-build.patch