diff --git a/swh/icinga_plugins/deposit.py b/swh/icinga_plugins/deposit.py
--- a/swh/icinga_plugins/deposit.py
+++ b/swh/icinga_plugins/deposit.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2019  The Software Heritage developers
+# Copyright (C) 2019-2020  The Software Heritage developers
 # See the AUTHORS file at the top-level directory of this distribution
 # License: GNU General Public License version 3, or any later version
 # See top-level LICENSE file for more information
@@ -6,6 +6,7 @@
 import datetime
 import sys
 import time
+from typing import Any, Dict, Optional
 
 from swh.deposit.client import PublicApiDepositClient
 
@@ -23,6 +24,7 @@
         self._archive_path = obj["archive"]
         self._metadata_path = obj["metadata"]
         self._collection = obj["collection"]
+        self._slug: Optional[str] = None
 
         self._client = PublicApiDepositClient(
             {
@@ -32,16 +34,38 @@
         )
 
     def upload_deposit(self):
+        slug = "check-deposit-%s" % datetime.datetime.now().isoformat()
         result = self._client.deposit_create(
             archive=self._archive_path,
             metadata=self._metadata_path,
             collection=self._collection,
             in_progress=False,
-            slug="check-deposit-%s" % datetime.datetime.now().isoformat(),
+            slug=slug,
         )
+        self._slug = slug
         self._deposit_id = result["deposit_id"]
         return result
 
+    def update_deposit_with_metadata(self) -> Dict[str, Any]:
+        """Trigger a metadata update on the deposit once it's completed.
+
+        """
+        deposit = self.get_deposit_status()
+        assert deposit["deposit_status"] == "done"
+        swhid = deposit["deposit_swh_id"]
+        assert deposit["deposit_id"] == self._deposit_id
+
+        # We can reuse the initial metadata file we already sent
+        # We only entertain this checks to ensure it's working
+        result = self._client.deposit_update(
+            self._collection,
+            self._deposit_id,
+            self._slug,
+            metadata=self._metadata_path,
+            swhid=swhid,
+        )
+        return result
+
     def get_deposit_status(self):
         return self._client.deposit_status(
             collection=self._collection, deposit_id=self._deposit_id
@@ -117,12 +141,33 @@
             )
             return 2
 
-        # Everything went fine, check total time wasn't too large and
-        # print result
         (status_code, status) = self.get_status(metrics["total_time"])
         self.print_result(
             status,
             f'Deposit took {metrics["total_time"]:.2f}s and succeeded.',
             **metrics,
         )
+
+        result = self.update_deposit_with_metadata()
+        metrics["total_time"] = time.time() - start_time
+        metrics["update_time"] = (
+            metrics["total_time"]
+            - metrics["upload_time"]
+            - metrics["validation_time"]
+            - metrics["load_time"]
+        )
+        if "error" in result:
+            self.print_result(
+                "CRITICAL",
+                f'Deposit metadata update failed: {result["error"]} ',
+                **metrics,
+            )
+
+        (status_code, status) = self.get_status(metrics["total_time"])
+        self.print_result(
+            status,
+            f'Deposit Metadata update took {metrics["update_time"]:.2f}s and succeeded.',
+            **metrics,
+        )
+
         return status_code
diff --git a/swh/icinga_plugins/tests/test_deposit.py b/swh/icinga_plugins/tests/test_deposit.py
--- a/swh/icinga_plugins/tests/test_deposit.py
+++ b/swh/icinga_plugins/tests/test_deposit.py
@@ -64,6 +64,7 @@
     <deposit_id>42</deposit_id>
     <deposit_status>{status}</deposit_status>
     <deposit_status_detail>{status_detail}</deposit_status_detail>
+    <deposit_swh_id>{swhid}</deposit_swh_id>
 </entry>
 """
 
@@ -113,9 +114,38 @@
 ):
     scenario = WebScenario()
 
+    # Initial deposit
     scenario.add_step(
         "post", BASE_URL + "/testcol/", ENTRY_TEMPLATE.format(status="done")
     )
+    # Then metadata update
+    scenario.add_step(
+        "get",
+        f"{BASE_URL}/testcol/42/status/",
+        STATUS_TEMPLATE.format(
+            status="done",
+            status_detail="",
+            swhid="swh:1:dir:02ed6084fb0e8384ac58980e07548a547431cf74",
+        ),
+    )
+    scenario.add_step(
+        "get",
+        f"{BASE_URL}/testcol/42/status/",
+        STATUS_TEMPLATE.format(
+            status="done",
+            status_detail="",
+            swhid="swh:1:dir:02ed6084fb0e8384ac58980e07548a547431cf74",
+        ),
+    )
+    scenario.add_step(
+        "put",
+        f"{BASE_URL}/testcol/42/metadata/",
+        STATUS_TEMPLATE.format(
+            status="done",
+            status_detail="",
+            swhid="swh:1:dir:02ed6084fb0e8384ac58980e07548a547431cf74",
+        ),
+    )
 
     scenario.install_mock(requests_mock)