diff --git a/README.md b/README.md
index 21bd852a4d94bb103bf70b4e0ff24e63cd6edc6b..9167e063c66689b046dcc56749fa8b8220a2c832 100644
--- a/README.md
+++ b/README.md
@@ -15,9 +15,9 @@ cd eic_container
    modeuefile will be installed to `$PREFIX/../../etc/modulefiles`. 
    You can use the `-v` flag to select the version you want to deploy, or omit the 
    flag if you want to install the master build. The recommended stable 
-   release version is `v2.1.3`.
+   release version is `v2.2.0`.
 ```bash
-./deploy.py -v 2.1.3 <PREFIX>
+./deploy.py -v 2.2.0 <PREFIX>
 ```
 
    Available flags:
@@ -101,15 +101,15 @@ $PREFIX/bin/eic-shell
 Included software:
 ------------------
   - Included software:
-    - gcc@9.3.0
-    - cmake@3.17.3
+    - gcc@10.2.0
+    - cmake@3.18.1
     - fmt@6.1.2
     - spdlog@1.5.0
     - nlohmann-json
     - heppdt@3.04.01
     - clhep@2.4.1.3
     - eigen@3.3.7
-    - python@3.7.7 with pip, numpy, pyyaml, pyafp,  matplotlib, ipython, scipy
+    - python@3.7.8 with pip, numpy, pyyaml, pyafp,  matplotlib, ipython, scipy
     - xrootd@4.12.3
     - root@6.22.00
     - pythia8@8244
@@ -117,8 +117,10 @@ Included software:
     - podio@master
     - geant4@10.6.2
     - dd4hep@1.13.1
-    - acts@0.31.0
+    - acts@1.00.0
     - gaudi@34.0
+    - dawn@3.91a
+    - dawncut@1.54a
   - The singularity build exports the following applications:
     - eic_shell: a development shell in the image
     - container_dev: same as EIC shell
diff --git a/containers/builder/spack.yaml b/containers/builder/spack.yaml
index a82859a14fac4b24ab978b2a5e9d75c2c7b7f578..afcd7cf54e90d4ab97f97af26d77a5192a7b48ca 100644
--- a/containers/builder/spack.yaml
+++ b/containers/builder/spack.yaml
@@ -22,6 +22,8 @@ spack:
     - dd4hep@1.13.1 +geant4 +assimp +hepmc3
     - acts@1.00.0 +dd4hep +digitization +identification +json +tgeo
     - gaudi@34.0
+    - dawn@3_91a
+    - dawncut@1_54a
   concretization: together
   config:
     install_tree: /opt/software
diff --git a/containers/release/Dockerfile.in b/containers/release/Dockerfile.in
index 77bf2c65622c4975c57f0e64870e79f8ee916e51..1973d826099f1fa608be22709fc796392fe8f032 100644
--- a/containers/release/Dockerfile.in
+++ b/containers/release/Dockerfile.in
@@ -11,18 +11,18 @@ RUN find -L /usr/local/* -type f -exec readlink -f '{}' \; | \
     grep 'x-executable\|x-archive\|x-sharedlib' | \
     awk -F: '{print $1}' | xargs strip -s
 
-FROM eicweb.phy.anl.gov:4567/containers/image_recipes/ubuntu_minimal:20.04
+FROM eicweb.phy.anl.gov:4567/containers/image_recipes/debian_minimal:testing-20200908
 LABEL maintainer="Sylvester Joosten <sjoosten@anl.gov>" \
-      name="eic_container" \
-      group="eic_container" \
+      name="eic" \
+      group="eic" \
       march="native" \
-      basedist="ubuntu" \
-      base="ubuntu"
+      basedist="debian" \
+      base="debian"
 
 ## @ENV@ will be automatically expanded to auto-load the 
 ## runtime environment
 ENV DOCKERFILE_DISTRO=ubuntu          \
-    DOCKERFILE_DISTRO_VERSION=20.04   \
+    DOCKERFILE_DISTRO_VERSION=20200908-testing   \
     DEBIAN_FRONTEND=noninteractive    \
 @ENV@