diff --git a/configure b/configure
index 6f5d9a0..5b0fe4d 100755
--- a/configure
+++ b/configure
@@ -40,6 +40,7 @@ wget \
 "
 if "$gem5"; then
   pkgs="$pkgs \
+ccache \
 gcc-aarch64-linux-gnu \
 gcc-arm-linux-gnueabi \
 libgoogle-perftools-dev \
diff --git a/gem5/build b/gem5/build
index 6b5fa78..029cebd 100755
--- a/gem5/build
+++ b/gem5/build
@@ -28,6 +28,7 @@ system_dir="${outdir}/system"
 binaries_dir="${system_dir}/binaries"
 disks_dir="${system_dir}/disks"
 mkdir -p "$binaries_dir" "$disks_dir"
+export PATH="/usr/lib/ccache:${PATH}"
 if [ "$arch" = x86_64 ]; then
   scons -j "$j" --ignore-style "${outdir}/build/X86/gem5.opt"
   f="${disks_dir}/linux-bigswap2.img"