diff --git a/containers/builder/Dockerfile b/containers/builder/Dockerfile
index 9388a43ee2e47d0054ef8bb919d18ddf8dc54f97..697eaf47fbb4df7fdbf7a9e5ab9a553e805575a6 100644
--- a/containers/builder/Dockerfile
+++ b/containers/builder/Dockerfile
@@ -1,6 +1,6 @@
 # Builder with Argonne EIC software
 #
-FROM eicweb.phy.anl.gov:4567/containers/image_recipes/debian_spack:0.15.4
+FROM eicweb.phy.anl.gov:4567/containers/image_recipes/debian_spack:snapshot-20200922
 
 LABEL maintainer="Sylvester Joosten <sjoosten@anl.gov>" \
       name="eic_builder" \
@@ -11,17 +11,26 @@ LABEL maintainer="Sylvester Joosten <sjoosten@anl.gov>" \
 
 ENV DOCKERFILE_BASE=debian            \
     DOCKERFILE_DISTRO=debian          \
-    DOCKERFILE_DISTRO_VERSION=20200803-testing \
+    DOCKERFILE_DISTRO_VERSION=20200908-testing \
     SPACK_ROOT=/opt/spack             \
     DEBIAN_FRONTEND=noninteractive    \
     CURRENTLY_BUILDING_DOCKER_IMAGE=1 \
     container=docker
 
+## install ghostview/ghostscript needed by some of the tools
+RUN apt-get -yqq update \
+ && apt-get -yqq install --no-install-recommends \
+        ghostscript \
+        gv \
+ && rm -rf /var/lib/apt/lists/*
+
 ## Ensure an up-to-date custom package list
 RUN rm -rf $SPACK_ROOT/np-spack \
  && git clone https://eicweb.phy.anl.gov/EIC/np-spack.git $SPACK_ROOT/np-spack \
- && cd $SPACK_ROOT/np-spack && git checkout v`spack --version` && cd - \
- && rm -rf $SPACK_ROOT/np-spack/.git \
+ && cd $SPACK_ROOT/np-spack \
+ && git checkout snapshot-`echo $(spack --version) | cut -d- -f3` \
+ && cd - \
+ && echo "DISABLED: rm -rf $SPACK_ROOT/np-spack/.git" \
  && echo "repos:" > $SPACK_ROOT/etc/spack/repos.yaml \
  && echo " - $SPACK_ROOT/np-spack" >> $SPACK_ROOT/etc/spack/repos.yaml
 
@@ -32,7 +41,7 @@ COPY spack.yaml /opt/spack-environment/spack.yaml
 ## as this is a raw builder image
 RUN cd /opt/spack-environment \
  && spack env activate . \
- && spack install -j32 \
+ && spack install -j64 \
  && spack clean -a
 
 ## Install additional python packages
diff --git a/containers/builder/spack.yaml b/containers/builder/spack.yaml
index f520c32020ad5b5c6b26293aff622e5e1100c727..41466c2853df6fc7a778043951d21bc4974e6efb 100644
--- a/containers/builder/spack.yaml
+++ b/containers/builder/spack.yaml
@@ -19,7 +19,7 @@ spack:
     - podio@master
     - geant4@10.6.2 cxxstd=17 +opengl +vecgeom +x11 +qt ^qt +opengl
     - dd4hep@1.13.1 +geant4 +assimp +hepmc3
-    - acts@0.31.0 +dd4hep +digitization +identification +json +tgeo
+    - acts@1.00.0 +dd4hep +digitization +identification +json +tgeo
     - gaudi@34.0
   concretization: together
   config:
diff --git a/containers/release/Dockerfile.in b/containers/release/Dockerfile.in
index 0cfa63cfcb8b9d0d2ca456aea2e5d3c53b21d23d..77bf2c65622c4975c57f0e64870e79f8ee916e51 100644
--- a/containers/release/Dockerfile.in
+++ b/containers/release/Dockerfile.in
@@ -31,6 +31,8 @@ ENV DOCKERFILE_DISTRO=ubuntu          \
 RUN apt-get -yqq update \
  && apt-get -yqq install --no-install-recommends \
         openssh-client \
+        ghostscript \
+        gv \
  && locale-gen en_US.UTF-8 \
  && rm -rf /var/lib/apt/lists/*