diff --git a/ram/ram/__init__.py b/ram/ram/__init__.py
index b01e9b6..ff3fbc5 100644
--- a/ram/ram/__init__.py
+++ b/ram/ram/__init__.py
@@ -1,4 +1,4 @@
 from ram.utils import git_suffix
 
-__version__ = "0.17.13"
+__version__ = "0.17.14"
 __version__ += git_suffix(__file__)
diff --git a/ram/ram/models.py b/ram/ram/models.py
index ed71aac..fe24f3a 100644
--- a/ram/ram/models.py
+++ b/ram/ram/models.py
@@ -27,6 +27,7 @@ class Document(models.Model):
     description = models.CharField(max_length=128, blank=True)
     file = models.FileField(
         upload_to="files/",
+        storage=DeduplicatedStorage,
     )
     creation_time = models.DateTimeField(auto_now_add=True)
     updated_time = models.DateTimeField(auto_now=True)
diff --git a/ram/ram/utils.py b/ram/ram/utils.py
index 111c409..b5c5e94 100644
--- a/ram/ram/utils.py
+++ b/ram/ram/utils.py
@@ -13,7 +13,7 @@ class DeduplicatedStorage(FileSystemStorage):
     """
     A derived FileSystemStorage class that compares already existing files
     (with the same name) with new uploaded ones and stores new file only if
-    sha256 hash on is content is different
+    sha256 hash on its content is different
     """
 
     def save(self, name, content, max_length=None):
diff --git a/ram/repository/migrations/0003_alter_bookdocument_file_alter_catalogdocument_file_and_more.py b/ram/repository/migrations/0003_alter_bookdocument_file_alter_catalogdocument_file_and_more.py
new file mode 100644
index 0000000..76842f7
--- /dev/null
+++ b/ram/repository/migrations/0003_alter_bookdocument_file_alter_catalogdocument_file_and_more.py
@@ -0,0 +1,49 @@
+# Generated by Django 5.2.7 on 2025-10-28 21:17
+
+import ram.utils
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("repository", "0002_invoicedocument_remove_basebookdocument_book_and_more"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="bookdocument",
+            name="file",
+            field=models.FileField(
+                storage=ram.utils.DeduplicatedStorage, upload_to="files/"
+            ),
+        ),
+        migrations.AlterField(
+            model_name="catalogdocument",
+            name="file",
+            field=models.FileField(
+                storage=ram.utils.DeduplicatedStorage, upload_to="files/"
+            ),
+        ),
+        migrations.AlterField(
+            model_name="decoderdocument",
+            name="file",
+            field=models.FileField(
+                storage=ram.utils.DeduplicatedStorage, upload_to="files/"
+            ),
+        ),
+        migrations.AlterField(
+            model_name="genericdocument",
+            name="file",
+            field=models.FileField(
+                storage=ram.utils.DeduplicatedStorage, upload_to="files/"
+            ),
+        ),
+        migrations.AlterField(
+            model_name="rollingstockdocument",
+            name="file",
+            field=models.FileField(
+                storage=ram.utils.DeduplicatedStorage, upload_to="files/"
+            ),
+        ),
+    ]