diff --git a/gcc/build b/gcc/build
index d82aa23..b13858a 100755
--- a/gcc/build
+++ b/gcc/build
@@ -2,6 +2,13 @@ wget -O gcc-11.1.0.tar.gz https://gcc.gnu.org/pub/gcc/releases/gcc-11.1.0/gcc-11
 tar -xf gcc-11.1.0.tar.gz
 cd gcc-11.1.0
 
+wget https://ftp.gnu.org/gnu/gmp/gmp-6.2.1.tar.xz
+tar -xf gmp-6.2.1.tar.xz gmp
+wget https://ftp.gnu.org/gnu/mpfr/mpfr-4.1.0.tar.xz
+tar -xf mprf-4.1.0.tar.xz mpfr
+wget https://ftp.gnu.org/gnu/mpc/mpc-1.2.1.tar.gz
+tar -xf mpc-1.2.1.tar.gz mpc
+
 # Use lib not lib64 by default.
 sed '/m64=/s/lib64/lib/' gcc/gcc/config/i386/t-linux64 > _
 mv -f _ gcc/gcc/config/i386/t-linux64