diff --git a/build/migrations/0005_buildrelease_triggered_jobs.py b/build/migrations/0005_buildrelease_triggered_jobs.py
new file mode 100644
index 0000000..228d771
--- /dev/null
+++ b/build/migrations/0005_buildrelease_triggered_jobs.py
@@ -0,0 +1,18 @@
+# Generated by Django 3.2.13 on 2022-06-08 08:29
+from django.db import migrations
+from django.db import models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("build", "0004_start_date"),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name="buildrelease",
+            name="triggered_jobs",
+            field=models.TextField(editable=False, null=True),
+        ),
+    ]
diff --git a/build/models.py b/build/models.py
index 32e454e..b2b639a 100644
--- a/build/models.py
+++ b/build/models.py
@@ -150,6 +150,7 @@ class BuildRelease(models.Model):
     triggered_projects = models.TextField(null=True, editable=False)
     failed_projects = models.TextField(null=True, editable=False)
     pool_size = models.SmallIntegerField(default=0, editable=False)
+    triggered_jobs = models.TextField(null=True, editable=False)
     objects = BuildReleaseManager()
 
     def __str__(self):
@@ -213,6 +214,22 @@ class BuildRelease(models.Model):
             return [x.strip() for x in self.triggered_projects.split(",")]
         return []
 
+    @property
+    def triggered_jobs_list(self):
+        if self.triggered_jobs is not None:
+            return [x.strip() for x in self.triggered_jobs.split(",")]
+        return []
+
+    def append_triggered_job(self, value):
+        if value in self.triggered_jobs_list:
+            return False
+        if self.triggered_jobs is None:
+            self.triggered_jobs = value
+        else:
+            self.triggered_jobs += ",{}".format(value)
+        self.save()
+        return True
+
     def append_triggered(self, value):
         if value in self.triggered_projects_list:
             return False
diff --git a/build/tasks.py b/build/tasks.py
index 845d363..869830d 100644
--- a/build/tasks.py
+++ b/build/tasks.py
@@ -95,6 +95,9 @@ def build_resume(pk):
         else:
             log.debug("BuildRelease has no next")
             if br.release == "release-trunk-weekly":
-                url = trigger_build_matrix()
-                log.info("build_matrix triggered", instance=str(br), url=url)
+                url = trigger_build_matrix(br)
+                if url is not None:
+                    log.info(
+                        "build_matrix triggered", instance=str(br), url=url
+                    )
             break
diff --git a/build/test/test_models.py b/build/test/test_models.py
index cfe31b0..512f509 100644
--- a/build/test/test_models.py
+++ b/build/test/test_models.py
@@ -408,6 +408,32 @@ class BuildReleaseStepsTest(BaseTest):
         )
         self.assertIsNone(self.br.next)
 
+    def test_append_triggered_jobs(self):
+        self.assertIsNone(self.br.triggered_jobs)
+        res = self.br.append_triggered_job("fake-external-job")
+        self.assertTrue(res)
+        self.assertEqual(self.br.triggered_jobs, "fake-external-job")
+        self.assertEqual(
+            self.br.triggered_jobs_list,
+            [
+                "fake-external-job",
+            ],
+        )
+
+        res = self.br.append_triggered_job("fake-external-job")
+        self.assertFalse(res)
+        self.assertEqual(self.br.triggered_jobs, "fake-external-job")
+
+        res = self.br.append_triggered_job("other-external-job")
+        self.assertTrue(res)
+        self.assertEqual(
+            self.br.triggered_jobs, "fake-external-job,other-external-job"
+        )
+        self.assertEqual(
+            self.br.triggered_jobs_list,
+            ["fake-external-job", "other-external-job"],
+        )
+
 
 @override_settings(JBI_ALLOWED_HOSTS=["fake.local"])
 @patch("repoapi.utils.dlfile")
diff --git a/build/test/test_tasks.py b/build/test/test_tasks.py
index 45b9173..f5f2d96 100644
--- a/build/test/test_tasks.py
+++ b/build/test/test_tasks.py
@@ -292,4 +292,4 @@ class WeeklyTest(BaseTest):
         self.assertTrue(br.built_projects.endswith("ngcp-prompts"))
         self.assertEqual(br.pool_size, 0)
         tb.assert_not_called()
-        tbm.assert_called_once_with()
+        tbm.assert_called_once_with(br)
diff --git a/build/test/test_utils.py b/build/test/test_utils.py
index 64f96d4..73ac508 100644
--- a/build/test/test_utils.py
+++ b/build/test/test_utils.py
@@ -15,6 +15,7 @@
 import re
 from unittest.mock import patch
 
+from django.apps import apps
 from django.test import override_settings
 from django.test import SimpleTestCase
 
@@ -25,7 +26,9 @@ from build.utils import get_simple_release
 from build.utils import is_release_trunk
 from build.utils import ReleaseConfig
 from build.utils import trigger_build
+from build.utils import trigger_build_matrix
 from build.utils import trigger_copy_deps
+from repoapi.test.base import BaseTest
 
 
 class SimpleIsReleaseTrunkTest(SimpleTestCase):
@@ -337,3 +340,44 @@ class TriggerBuild(SimpleTestCase):
         params["token"] = settings.JENKINS_TOKEN
         self.assertEqual(res, "{base}/job/{project}/".format(**params))
         openurl.assert_called_once_with(url.format(**params))
+
+
+@patch("build.utils.open_jenkins_url")
+@override_settings(DEBUG=False)
+class TriggerBuildMatrix(BaseTest):
+    fixtures = [
+        "test_weekly",
+    ]
+    release = "release-trunk-weekly"
+    release_uuid = "dbe569f7-eab6-4532-a6d1-d31fb559649b"
+
+    def test_trigger_build_matrix(self, openurl):
+        BuildRelease = apps.get_model("build", "BuildRelease")
+        br = BuildRelease.objects.get(uuid=self.release_uuid)
+        params = {
+            "base": settings.JENKINS_URL,
+            "token": settings.JENKINS_TOKEN,
+            "job": "weekly-build-matrix-trunk-weekly",
+            "cause": "repoapi finished to build trunk-weekly",
+        }
+        url = (
+            "{base}/job/{job}/buildWithParameters?token={token}&cause={cause}"
+        )
+        res = trigger_build_matrix(br)
+        self.assertEqual(res, "{base}/job/{job}/".format(**params))
+        openurl.assert_called_once_with(url.format(**params))
+
+    def test_trigger_build_matrix_ko(self, openurl):
+        BuildRelease = apps.get_model("build", "BuildRelease")
+        br = BuildRelease.objects.get(uuid=self.release_uuid)
+        params = {
+            "base": settings.JENKINS_URL,
+            "token": settings.JENKINS_TOKEN,
+            "job": "weekly-build-matrix-trunk-weekly",
+            "cause": "repoapi finished to build trunk-weekly",
+        }
+        res = br.append_triggered_job(params["job"])
+        self.assertTrue(res)
+        res = trigger_build_matrix(br)
+        self.assertIsNone(res)
+        openurl.assert_not_called()
diff --git a/build/utils.py b/build/utils.py
index 834ccc0..79f640c 100644
--- a/build/utils.py
+++ b/build/utils.py
@@ -71,7 +71,7 @@ def get_common_release(version):
         return "master"
 
 
-def trigger_build_matrix():
+def trigger_build_matrix(br):
     params = {
         "base": settings.JENKINS_URL,
         "token": urllib.parse.quote(settings.JENKINS_TOKEN),
@@ -79,6 +79,9 @@ def trigger_build_matrix():
         "cause": "repoapi finished to build trunk-weekly",
     }
     url = _url.format(**params)
+    if not br.append_triggered_job(params["job"]):
+        logger.info("{} already triggered, skip".format(params["job"]))
+        return
     if settings.DEBUG:
         logger.info("Debug mode, would trigger: %s", url)
     else: