diff --git a/.github/workflows/build-images.yml b/.github/workflows/build-images.yml
index 162be6d..d01613e 100644
--- a/.github/workflows/build-images.yml
+++ b/.github/workflows/build-images.yml
@@ -24,6 +24,7 @@ jobs:
           - ubuntu2204_rocm_clang
           - ubuntu2404
           - ubuntu2404_cuda
+          - alma9-base
     steps:
       - uses: actions/checkout@v4
 
diff --git a/alma9-base/Dockerfile b/alma9-base/Dockerfile
new file mode 100644
index 0000000..8ec920d
--- /dev/null
+++ b/alma9-base/Dockerfile
@@ -0,0 +1,8 @@
+FROM cern/alma9-base:latest
+
+LABEL description="CERN AlmaLinux 9"
+LABEL maintainer="Paul Gessinger <paul.gessinger@cern.ch>"
+LABEL version="1"
+
+RUN dnf install -y https://linuxsoft.cern.ch/wlcg/el9/x86_64/HEP_OSlibs-9.1.0-2.el9.x86_64.rpm \
+  && dnf -y clean all