diff --git a/spack.yaml b/spack.yaml
index 5373deb..4197e09 100644
--- a/spack.yaml
+++ b/spack.yaml
@@ -6,6 +6,7 @@ spack:
     - core-packages:
       - kokkos@4.1 +openmp +serial
       - fmt@10.2.1
+      - spdlog@1.13.0
     - packages:
       - p3a@main
       - seacas@2024-04-03 -x11 ^hdf5@1.14.1 ^fmt@10.2.1
diff --git a/ubuntu20.04-gcc11-x64.dockerfile b/ubuntu20.04-gcc11-x64.dockerfile
index 30ccc40..cb82b51 100644
--- a/ubuntu20.04-gcc11-x64.dockerfile
+++ b/ubuntu20.04-gcc11-x64.dockerfile
@@ -49,7 +49,7 @@ RUN mkdir -p /opt/ && cd /opt/ && git clone --depth 1 --branch "v0.22.0" https:/
 COPY . /opt/src/ci-images
 
 # Get the latest version of the darma-vt repo
-RUN cd /opt/src/ci-images/spack-repos && git clone https://github.com/DARMA-tasking/spack-package.git vt
+RUN cd /opt/src/ci-images/spack-repos && git clone --depth 1 --branch "16-external-fmt" https://github.com/DARMA-tasking/spack-package.git vt
 
 # Add our new repos
 RUN . /opt/spack/share/spack/setup-env.sh \