diff --git a/CHANGELOG.md b/CHANGELOG.md
index f582f68..f1665e0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -11,6 +11,9 @@ ml).
 ## testing
   [12.0.0-beta]
 
+## [12.1.0-beta] - 2021/07/01
+- [added] JWT on snapshot data
+
 ## [12.0.0-beta] - 2021/05/25
 - [added] first version with decoupled configuration
 
diff --git a/ereuse_workbench/erwb.py b/ereuse_workbench/erwb.py
index fd47f12..8ed060f 100755
--- a/ereuse_workbench/erwb.py
+++ b/ereuse_workbench/erwb.py
@@ -1,3 +1,4 @@
+import json
 import logging.config
 import subprocess
 import time
@@ -118,8 +119,10 @@ def _submit(url: urlutils.URL, snapshot: Snapshot):
     t = token or WorkbenchConfig.DH_TOKEN
     # TODO Get the user's key on the server
     s = '7KU4ZzsEfe'
+    snapshot_data = {"type": "Snapshot",
+                     "data": jwt.encode(snapshot.dump(), s, algorithm="HS256", json_encoder=ereuse_utils.JSONEncoder)}
     r = session.post('{}actions/'.format(url.to_text()),
-                     data=jwt.encode(snapshot.dump(), s, algorithm="HS256", json_encoder=ereuse_utils.JSONEncoder),
+                     data=json.dumps(snapshot_data),
                      headers={
                          'Authorization': 'Basic {}'.format(t),
                          'Content-Type': 'application/json'
diff --git a/ereuse_workbench/snapshot.py b/ereuse_workbench/snapshot.py
index 526c8cb..df24bc5 100644
--- a/ereuse_workbench/snapshot.py
+++ b/ereuse_workbench/snapshot.py
@@ -1,3 +1,4 @@
+import json
 import logging
 from concurrent.futures import ThreadPoolExecutor
 from datetime import datetime, timedelta, timezone
@@ -217,7 +218,9 @@ def close(self):
 
     def encode(self, s):
         """Convert snapshot to dict object and encoded using PyJWT"""
-        return jwt.encode(self.dump(), s, algorithm="HS256", json_encoder=self.ENCODER)
+        snapshot = {"type": "Snapshot",
+                    "data": jwt.encode(self.dump(), s, algorithm="HS256", json_encoder=self.ENCODER)}
+        return json.dumps(snapshot)
 
 
 class Progress:
diff --git a/requirements.txt b/requirements.txt
index 29e27a0..3322eba 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -11,4 +11,4 @@ requests==2.21.0
 requests-toolbelt==0.9.1
 tqdm==4.32.2
 python-decouple==3.3
-pyjwt==2.1.0
\ No newline at end of file
+pyjwt>=2.0.0a1
\ No newline at end of file
diff --git a/setup.py b/setup.py
index 15d3acc..04d9eb6 100644
--- a/setup.py
+++ b/setup.py
@@ -9,7 +9,7 @@
 
 setup(
     name='ereuse-workbench',
-    version='12.0.0-beta',
+    version='12.1.0-beta',
     url='https://github.com/ereuse/workbench',
     license='Affero',
     packages=find_packages(),