diff --git a/logs_collector/collector/migrations/0004_rename_sha1_archive_md5_remove_archive_size.py b/logs_collector/collector/migrations/0004_rename_sha1_archive_md5_remove_archive_size.py
new file mode 100644
index 0000000..4bdfd6f
--- /dev/null
+++ b/logs_collector/collector/migrations/0004_rename_sha1_archive_md5_remove_archive_size.py
@@ -0,0 +1,22 @@
+# Generated by Django 4.2 on 2023-08-08 09:17
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('collector', '0003_alter_archive_ticket'),
+    ]
+
+    operations = [
+        migrations.RenameField(
+            model_name='archive',
+            old_name='sha1',
+            new_name='md5',
+        ),
+        migrations.RemoveField(
+            model_name='archive',
+            name='size',
+        ),
+    ]
diff --git a/logs_collector/collector/models.py b/logs_collector/collector/models.py
index fb16f80..437b789 100644
--- a/logs_collector/collector/models.py
+++ b/logs_collector/collector/models.py
@@ -28,8 +28,7 @@ class Archive(models.Model):
         blank=True,
         null=True
     )
-    size = models.CharField(max_length=50, blank=True, editable=False)
-    sha1 = models.CharField(max_length=1024, editable=False)
+    md5 = models.CharField(max_length=1024, editable=False)
     time_create = models.DateTimeField(auto_now_add=True)
     time_update = models.DateTimeField(auto_now=True)
     ticket = models.ForeignKey(
@@ -41,12 +40,12 @@ class Archive(models.Model):
     user = models.ForeignKey(User, on_delete=models.CASCADE)
 
     def save(self, *args, **kwargs):
-        # calculate sha 1 hash sum and write sha1 field to db
+        # calculate sha 1 hash sum and write md5 field to db
         with self.file.open('rb') as f:
-            sha1 = hashlib.sha1()
+            md5 = hashlib.md5()
             for byte_block in iter(lambda: f.read(4096), b""):
-                sha1.update(byte_block)
-            self.sha1 = sha1.hexdigest()
+                md5.update(byte_block)
+            self.md5 = md5.hexdigest()
             # Call the "real" save() method
             super().save(*args, **kwargs)
 
diff --git a/logs_collector/collector/templates/collector/includes/ticket_archives.html b/logs_collector/collector/templates/collector/includes/ticket_archives.html
index ffcb81b..4cec5ae 100644
--- a/logs_collector/collector/templates/collector/includes/ticket_archives.html
+++ b/logs_collector/collector/templates/collector/includes/ticket_archives.html
@@ -8,8 +8,8 @@
   </small>
   <small>
     <br>
-    <b>SHA1:</b>
-    <span style="word-wrap: break-word">{{ archive.sha1 }}</span>
+    <b>MD5:</b>
+    <span style="word-wrap: break-word">{{ archive.md5 }}</span>
   </small>
   <small>
     <br>