diff --git a/.github/workflows/nightly-ubuntu-ci.yml b/.github/workflows/nightly-ubuntu-ci.yml
index 4bf4823..85c5513 100644
--- a/.github/workflows/nightly-ubuntu-ci.yml
+++ b/.github/workflows/nightly-ubuntu-ci.yml
@@ -11,7 +11,7 @@ jobs:
     with:
       # It would be desirable to have a matrix of ubuntu OS for this job, but due to the issue opened in this ticket:
       # https://github.com/orgs/community/discussions/128118 , it has been set as a single OS job.
-      os-image: 'ubuntu-22.04'
+      os-version: 'ubuntu-22.04'
       label: 'nightly-ubuntu-ci-master'
       discovery-server-branch: 'master'
       fastdds-branch: 'master'
@@ -31,7 +31,7 @@ jobs:
     with:
       # It would be desirable to have a matrix of ubuntu OS for this job, but due to the issue opened in this ticket:
       # https://github.com/orgs/community/discussions/128118 , it has been set as a single OS job.
-      os-image: 'ubuntu-22.04'
+      os-version: 'ubuntu-22.04'
       label: 'nightly-ubuntu-ci-v1.2.2-${{ matrix.fastdds-branch }}'
       discovery-server-branch: 'v1.2.2'
       fastdds-branch: ${{ matrix.fastdds-branch }}
@@ -41,20 +41,14 @@ jobs:
       use-ccache: false
 
   nightly-ubuntu-ci-v1_2_1:
-    strategy:
-      fail-fast: false
-      matrix:
-        setup:
-          - os-image: 'ubuntu-22.04'
-            fastdds-branch: '2.10.x'
-          - os-image: 'ubuntu-20.04'
-            fastdds-branch: '2.6.x'
     uses: eProsima/Discovery-Server/.github/workflows/reusable-ubuntu-ci.yml@1.2.x
     with:
-      os-image: ${{ matrix.setup.os-image }}
-      label: 'nightly-ubuntu-ci-v1.2.1-${{ matrix.setup.fastdds-branch }}'
+      # It would be desirable to have a matrix of ubuntu OS for this job, but due to the issue opened in this ticket:
+      # https://github.com/orgs/community/discussions/128118 , it has been set as a single OS job.
+      os-version: 'ubuntu-22.04'
+      label: 'nightly-ubuntu-ci-v1.2.1-2.10.x'
       discovery-server-branch: 'v1.2.1'
-      fastdds-branch: ${{ matrix.setup.fastdds-branch }}
+      fastdds-branch: '2.10.x'
       ctest-args: "-LE xfail"
       run-build: true
       run-tests: true
diff --git a/.github/workflows/weekly-ubuntu-ci.yml b/.github/workflows/weekly-ubuntu-ci.yml
new file mode 100644
index 0000000..cf0c84b
--- /dev/null
+++ b/.github/workflows/weekly-ubuntu-ci.yml
@@ -0,0 +1,21 @@
+name: Fast DDS Discovery Server Ubuntu CI (weekly)
+
+on:
+  workflow_dispatch:
+  schedule:
+    - cron: '0 * * * 1' # Run at minute 0 on Monday
+
+jobs:
+  weekly-ubuntu-ci-v1_2_1:
+    uses: eProsima/Discovery-Server/.github/workflows/reusable-ubuntu-ci.yml@1.2.x
+    with:
+      # It would be desirable to have a matrix of ubuntu OS for this job, but due to the issue opened in this ticket:
+      # https://github.com/orgs/community/discussions/128118 , it has been set as a single OS job.
+      os-version: 'ubuntu-20.04'
+      label: 'weekly-ubuntu-ci-v1.2.1-2.6.x'
+      discovery-server-branch: 'v1.2.1'
+      fastdds-branch: '2.6.x'
+      ctest-args: "-LE xfail"
+      run-build: true
+      run-tests: true
+      use-ccache: false