diff --git a/cross/binutils.mk b/cross/binutils.mk
index 1d05f01..cdfba81 100644
--- a/cross/binutils.mk
+++ b/cross/binutils.mk
@@ -1,4 +1,4 @@
-BINUTILS_VERSION=2.29.1
+BINUTILS_VERSION=2.30
 binutils.tar.bz2: binutils-$(BINUTILS_VERSION).tar.bz2
 	mv $^ $@
 
diff --git a/cross/gcc.mk b/cross/gcc.mk
index 50ec445..1e96b75 100644
--- a/cross/gcc.mk
+++ b/cross/gcc.mk
@@ -1,5 +1,5 @@
-GCC_VERSION=7.2.0
-GCC_MAJOR_VERSION=7.2.0
+GCC_VERSION=7.3.0
+GCC_MAJOR_VERSION=7.3.0
 gcc.tar.xz: gcc-$(GCC_VERSION).tar.xz
 	mv $^ $@
 
@@ -24,8 +24,8 @@ gcc-configure:
 	../gcc/configure --prefix=$(CROSSPATH) --target=$(TARGET) --disable-nls --enable-languages=c,c++ --without-headers
 
 gcc-make: gcc-configure
-	$(MAKE) -C builddir all-gcc
-	$(MAKE) -C builddir all-target-libgcc
+	$(MAKE) -C builddir all-gcc || $(MAKE) -C builddir all-gcc -j1
+	$(MAKE) -C builddir all-target-libgcc || $(MAKE) -C builddir all-target-libgcc -j1
 
 gcc-install: gcc-make
 	$(MAKE) -C builddir install-gcc