diff --git a/platforms/common/spack_utils.sh b/platforms/common/spack_utils.sh
index e870f7f8a22f61967b07018d4911686e842bbc65..28b1033d84c0b78000326c09ca73a0850ebf7712 100644
--- a/platforms/common/spack_utils.sh
+++ b/platforms/common/spack_utils.sh
@@ -1,7 +1,7 @@
 function _install_spack() {
 if [ ! -e ${SPACK_ROOT} ]; then
   echo "Cloning to ${SPACK_ROOT}"
-  git clone ${SPACK_URL} -b ${SPACK_BRANCH} ${SPACK_ROOT}
+  git clone --depth 1 ${SPACK_URL} -b ${SPACK_BRANCH} ${SPACK_ROOT}
 fi
 
 _init_spack