diff --git a/.github/workflows/documentation.yml b/.github/workflows/documentation.yml
index f6f1dae9f5e..fe5f3ee0fe8 100644
--- a/.github/workflows/documentation.yml
+++ b/.github/workflows/documentation.yml
@@ -22,7 +22,7 @@ jobs:
   headless-docs:   # Build headless and docs
     permissions:
       contents: write  # Artifact upload and release upload
-    runs-on: ubuntu-latest  # Warn about build issues in new versions
+    runs-on: ubuntu-22.04  # Ubuntu 24.04 pytorch 2.2 ops build error with gcc-13.
     env:
       OPEN3D_ML_ROOT: ${{ github.workspace }}/Open3D-ML
       DEVELOPER_BUILD: ${{ github.event.inputs.developer_build || 'ON' }}
diff --git a/util/ci_utils.sh b/util/ci_utils.sh
index 0b86a70bf22..bf005d8020b 100644
--- a/util/ci_utils.sh
+++ b/util/ci_utils.sh
@@ -340,6 +340,9 @@ test_cpp_example() {
 install_docs_dependencies() {
     echo
     echo Install ubuntu dependencies
+    echo Update cmake needed in Ubuntu <24.04
+    $SUDO apt-key adv --fetch-keys https://apt.kitware.com/keys/kitware-archive-latest.asc
+    (source /etc/os-release && $SUDO apt-add-repository --yes "deb https://apt.kitware.com/ubuntu/ $VERSION_CODENAME main")
     ./util/install_deps_ubuntu.sh assume-yes
     $SUDO apt-get install --yes ccache \
         cmake \