diff --git a/diskimage_builder/elements/gentoo/bin/install-packages b/diskimage_builder/elements/gentoo/bin/install-packages
index b98ec16a..9977cbc2 100755
--- a/diskimage_builder/elements/gentoo/bin/install-packages
+++ b/diskimage_builder/elements/gentoo/bin/install-packages
@@ -35,12 +35,12 @@ function show_options {
 function install_gentoo_packages {
     RUN_ONCE_SHM='1'
     if mountpoint -q /dev/shm; then
-        emerge $@
+        FEATURES="binpkg-multi-instance buildpkg parallel-fetch parallel-install" emerge --binpkg-respect-use --rebuilt-binaries=y --usepkg=y --with-bdeps=y --binpkg-changed-deps=y $@
     elif [[ -k /dev/shm ]]; then
-        emerge $@
+        FEATURES="binpkg-multi-instance buildpkg parallel-fetch parallel-install" emerge --binpkg-respect-use --rebuilt-binaries=y --usepkg=y --with-bdeps=y --binpkg-changed-deps=y $@
     else
         fix_shm
-        emerge $@
+        FEATURES="binpkg-multi-instance buildpkg parallel-fetch parallel-install" emerge --binpkg-respect-use --rebuilt-binaries=y --usepkg=y --with-bdeps=y --binpkg-changed-deps=y $@
         unfix_shm
     fi
 }
diff --git a/diskimage_builder/elements/gentoo/root.d/50-gentoo-cache b/diskimage_builder/elements/gentoo/root.d/50-gentoo-cache
new file mode 100755
index 00000000..caadd96d
--- /dev/null
+++ b/diskimage_builder/elements/gentoo/root.d/50-gentoo-cache
@@ -0,0 +1,20 @@
+#!/bin/bash
+
+if [ ${DIB_DEBUG_TRACE:-0} -gt 0 ]; then
+    set -x
+fi
+set -eu
+set -o pipefail
+
+[ -n "${TARGET_ROOT}" ]
+
+GENTOO_PORTAGE_DISTFILES_DIR="${DIB_IMAGE_CACHE}/gentoo/distfiles"
+GENTOO_PORTAGE_PAKCAGE_DIR="${DIB_IMAGE_CACHE}/gentoo/packages/${GENTOO_PROFILE}"
+GENTOO_PORTAGE_DIR="${DIB_IMAGE_CACHE}/gentoo/portage"
+mkdir -p "${GENTOO_PORTAGE_DIR}" "${GENTOO_PORTAGE_PAKCAGE_DIR}" "${GENTOO_PORTAGE_DISTFILES_DIR}"
+
+sudo mount --bind "${GENTOO_PORTAGE_DIR}" "${TMP_MOUNT_PATH}"/usr/portage
+mkdir "${TMP_MOUNT_PATH}"/usr/portage/distfiles
+sudo mount --bind "${GENTOO_PORTAGE_DISTFILES_DIR}" "${TMP_MOUNT_PATH}"/usr/portage/distfiles
+mkdir "${TMP_MOUNT_PATH}"/usr/portage/packages
+sudo mount --bind "${GENTOO_PORTAGE_PAKCAGE_DIR}" "${TMP_MOUNT_PATH}"/usr/portage/packages