diff --git a/alephclient/api.py b/alephclient/api.py
index d5ad320..1029ec9 100644
--- a/alephclient/api.py
+++ b/alephclient/api.py
@@ -220,6 +220,11 @@ def flush_collection(self, collection_id: str, sync: bool = False):
         url = self._make_url(f"collections/{collection_id}", params=params)
         return self._request("DELETE", url)
 
+    def touch_collection(self, collection_id: str):
+        """Update the content update date of a collection by ID"""
+        url = self._make_url(f"collections/{collection_id}/touch")
+        return self._request("POST", url)
+
     def get_entity(self, entity_id: str, publisher: bool = False) -> Dict:
         """Get a single entity by ID."""
         url = self._make_url(f"entities/{entity_id}")
diff --git a/alephclient/cli.py b/alephclient/cli.py
index 96a09d9..3b058aa 100644
--- a/alephclient/cli.py
+++ b/alephclient/cli.py
@@ -213,6 +213,19 @@ def flush_collection(ctx, foreign_id, sync=False):
         raise click.ClickException(exc.message)
 
 
+@cli.command("touch")
+@click.option("-f", "--foreign-id", required=True, help="foreign_id of the collection")
+@click.pass_context
+def touch_collection(ctx, foreign_id):
+    """Update a collection's content update date."""
+    api = ctx.obj["api"]
+    try:
+        collection_id = _get_id_from_foreign_key(api, foreign_id)
+        api.touch_collection(collection_id)
+    except AlephException as exc:
+        raise click.ClickException(exc.message)
+
+
 @cli.command("write-entity")
 @click.option("-i", "--infile", type=click.File("r"), default="-")
 @click.option("-f", "--foreign-id", required=True, help="foreign_id of the collection")
diff --git a/alephclient/tests/test_api_collection.py b/alephclient/tests/test_api_collection.py
index cc58596..66f6075 100644
--- a/alephclient/tests/test_api_collection.py
+++ b/alephclient/tests/test_api_collection.py
@@ -50,6 +50,9 @@ def test_delete_collection(self, mocker):
     def test_flush_collection(self, mocker):
         pass
 
+    def test_touch_collection(self, mocker):
+        pass
+
     def test_get_collection_by_foreign_id(self, mocker):
         pass