diff --git a/containers/jug/dev.Dockerfile b/containers/jug/dev.Dockerfile
index 7f765b2890861b6dc328f0d6ddd7bd3be965e91d..b6ca109553594a45fce5b380c8ffed41f82e4f66 100644
--- a/containers/jug/dev.Dockerfile
+++ b/containers/jug/dev.Dockerfile
@@ -161,10 +161,10 @@ spack buildcache update-index local
 spack buildcache update-index eics3rw
 spack env activate --dir ${SPACK_ENV}
 if [ -n ${JUGGLER_VERSION} ] ; then
-  spack rm juggler && spack add juggler@git.${JUGGLER_VERSION}
+  spack config add "packages:juggler:require:['@git.${JUGGLER_VERSION}']"
 fi
 if [ -n ${EICRECON_VERSION} ] ; then
-  spack rm eicrecon && spack add eicrecon@git.${EICRECON_VERSION}
+  spack config add "packages:eicrecon:require:['@git.${EICRECON_VERSION}']"
 fi
 spack concretize --force --fresh
 make --jobs ${jobs} --keep-going --directory /opt/spack-environment SPACK_ENV=${SPACK_ENV} BUILDCACHE_MIRROR="local eics3rw"