diff --git a/.github/ci-config.yml b/.github/ci-config.yml
index adfa1d993..b2479bef2 100644
--- a/.github/ci-config.yml
+++ b/.github/ci-config.yml
@@ -1,7 +1,10 @@
 cmake_options: -DENABLE_BUILD_TOOLS=ON
+dependency_cmake_options: |
+  ecmwf/atlas: "-DENABLE_TESSELATION=ON"
 dependencies: |
   ecmwf/ecbuild
   MathisRosenhauer/libaec@refs/tags/v1.1.3
+  qhull/qhull@refs/tags/v8.0.2
   ecmwf/eccodes
   ecmwf/eckit
   ecmwf/atlas
diff --git a/.github/ci-hpc-config.yml b/.github/ci-hpc-config.yml
index 4ae993871..b51ee6d4f 100644
--- a/.github/ci-hpc-config.yml
+++ b/.github/ci-hpc-config.yml
@@ -1,11 +1,14 @@
 build:
   modules:
     - ninja
+    - qhull
   dependencies:
     - ecmwf/ecbuild@develop
     - ecmwf/eccodes@develop
     - ecmwf/eckit@develop
     - ecmwf/atlas@develop
+  dependency_cmake_options:
+    - "ecmwf/atlas: '-DENABLE_TESSELATION=ON'"
   parallel: 64
   env:
     - MIR_CACHING=0