diff --git a/.github/labeler.yml b/.github/labeler.yml
index 1e82c55e..1d486d97 100644
--- a/.github/labeler.yml
+++ b/.github/labeler.yml
@@ -1,3 +1,4 @@
+
 # configuration settings for labeler
 
 version: v1
diff --git a/.github/workflows/python-package.yml b/.github/workflows/python-package.yml
index 64bc76f7..6774b90a 100644
--- a/.github/workflows/python-package.yml
+++ b/.github/workflows/python-package.yml
@@ -34,3 +34,22 @@ jobs:
       - name: Test with nose
         run: |
           nosetests
+
+  labeler:
+    needs: build
+    if: ${{ github.event_name == 'pull_request' }}
+    runs-on: ubuntu-latest
+    steps:
+      - name: automerge-labeler
+        uses: fuxingloh/multi-labeler@v1
+
+  automerge:
+    needs: labeler
+    if: ${{ github.event_name == 'pull_request' }}
+    runs-on: ubuntu-latest
+    steps:
+      - name: automerge
+        uses: "pascalgn/automerge-action@v0.14.2"
+        env:
+          GITHUB_TOKEN: "${{ secrets.GITHUB_TOKEN }}"
+          MERGE_LABELS: "automerge,automerge-branch,automerge-author"
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8bc25388..849327d4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Change Log
 
+## Version 14.1.1.20210915 (2021-09-15)
+## SDK updates
+* Upgraded josnpickle dependency
+
 ## Version 14.1.0.20210915 (2021-09-15)
 ## API updates
 
diff --git a/doc/api/devices.md b/doc/api/devices.md
index 654bdff2..cd312850 100644
--- a/doc/api/devices.md
+++ b/doc/api/devices.md
@@ -87,7 +87,6 @@ body['device_code']['id'] = 'id0'
 body['device_code']['name'] = 'Counter 1'
 body['device_code']['code'] = 'code8'
 body['device_code']['device_id'] = 'device_id6'
-body['device_code']['product_type'] = 'TERMINAL_API'
 body['device_code']['location_id'] = 'B5E4484SHHNYH'
 
 result = devices_api.create_device_code(body)
diff --git a/doc/api/invoices.md b/doc/api/invoices.md
index e9d377f9..49f87cc6 100644
--- a/doc/api/invoices.md
+++ b/doc/api/invoices.md
@@ -193,7 +193,6 @@ body['query']['filter'] = {}
 body['query']['filter']['location_ids'] = ['ES0RJRZYEC39A']
 body['query']['filter']['customer_ids'] = ['JDKYHBWT1D4F8MFH63DBMEN8Y4']
 body['query']['sort'] = {}
-body['query']['sort']['field'] = 'INVOICE_SORT_DATE'
 body['query']['sort']['order'] = 'DESC'
 body['limit'] = 164
 body['cursor'] = 'cursor0'
diff --git a/doc/models/device-code.md b/doc/models/device-code.md
index ba3eeb0e..72b764d1 100644
--- a/doc/models/device-code.md
+++ b/doc/models/device-code.md
@@ -13,7 +13,7 @@
 | `name` | `string` | Optional | An optional user-defined name for the device code.<br>**Constraints**: *Maximum Length*: `128` |
 | `code` | `string` | Optional | The unique code that can be used to login. |
 | `device_id` | `string` | Optional | The unique id of the device that used this code. Populated when the device is paired up. |
-| `product_type` | `string` | Required | **Default**: `'TERMINAL_API'`<br>*Default: `'TERMINAL_API'`* |
+| `product_type` | `string` | Required, Constant | **Default**: `'TERMINAL_API'`<br>*Default: `'TERMINAL_API'`* |
 | `location_id` | `string` | Optional | The location assigned to this code.<br>**Constraints**: *Maximum Length*: `50` |
 | `status` | [`str (Device Code Status)`](/doc/models/device-code-status.md) | Optional | DeviceCode.Status enum. |
 | `pair_by` | `string` | Optional | When this DeviceCode will expire and no longer login. Timestamp in RFC 3339 format. |
diff --git a/doc/models/gift-card-activity-block.md b/doc/models/gift-card-activity-block.md
index 372a1d6c..c48c8241 100644
--- a/doc/models/gift-card-activity-block.md
+++ b/doc/models/gift-card-activity-block.md
@@ -11,7 +11,7 @@ Describes a gift card activity of the BLOCK type.
 
 | Name | Type | Tags | Description |
 |  --- | --- | --- | --- |
-| `reason` | `string` | Required | **Default**: `'CHARGEBACK_BLOCK'`<br>*Default: `'CHARGEBACK_BLOCK'`* |
+| `reason` | `string` | Required, Constant | **Default**: `'CHARGEBACK_BLOCK'`<br>*Default: `'CHARGEBACK_BLOCK'`* |
 
 ## Example (as JSON)
 
diff --git a/doc/models/gift-card-activity-unblock.md b/doc/models/gift-card-activity-unblock.md
index 6bcbc24e..e7fc1b4e 100644
--- a/doc/models/gift-card-activity-unblock.md
+++ b/doc/models/gift-card-activity-unblock.md
@@ -11,7 +11,7 @@ Present only when `GiftCardActivityType` is UNBLOCK.
 
 | Name | Type | Tags | Description |
 |  --- | --- | --- | --- |
-| `reason` | `string` | Required | **Default**: `'CHARGEBACK_UNBLOCK'`<br>*Default: `'CHARGEBACK_UNBLOCK'`* |
+| `reason` | `string` | Required, Constant | **Default**: `'CHARGEBACK_UNBLOCK'`<br>*Default: `'CHARGEBACK_UNBLOCK'`* |
 
 ## Example (as JSON)
 
diff --git a/doc/models/invoice-sort.md b/doc/models/invoice-sort.md
index 3aea9d30..bace148e 100644
--- a/doc/models/invoice-sort.md
+++ b/doc/models/invoice-sort.md
@@ -11,7 +11,7 @@ Identifies the sort field and sort order.
 
 | Name | Type | Tags | Description |
 |  --- | --- | --- | --- |
-| `field` | `string` | Required | The field to use for sorting.<br>**Default**: `'INVOICE_SORT_DATE'`<br>*Default: `'INVOICE_SORT_DATE'`* |
+| `field` | `string` | Required, Constant | The field to use for sorting.<br>**Default**: `'INVOICE_SORT_DATE'`<br>*Default: `'INVOICE_SORT_DATE'`* |
 | `order` | [`str (Sort Order)`](/doc/models/sort-order.md) | Optional | The order (e.g., chronological or alphabetical) in which results from a request are returned. |
 
 ## Example (as JSON)
diff --git a/doc/models/list-loyalty-programs-response.md b/doc/models/list-loyalty-programs-response.md
index cd881e10..eec41aa4 100644
--- a/doc/models/list-loyalty-programs-response.md
+++ b/doc/models/list-loyalty-programs-response.md
@@ -37,14 +37,14 @@ A response that contains all loyalty programs.
           }
         }
       ],
-      "created_at": "\"2020-04-20T16:55:11Z\"",
+      "created_at": "2020-04-20T16:55:11Z",
       "id": "d619f755-2d17-41f3-990d-c04ecedd64dd",
       "location_ids": [
         "P034NEENMD09F"
       ],
       "reward_tiers": [
         {
-          "created_at": "\"2020-04-20T16:55:11Z\"",
+          "created_at": "2020-04-20T16:55:11Z",
           "definition": {
             "discount_type": "FIXED_PERCENTAGE",
             "percentage_discount": "10",
@@ -64,7 +64,7 @@ A response that contains all loyalty programs.
         "one": "Point",
         "other": "Points"
       },
-      "updated_at": "\"2020-05-01T02:00:02Z\""
+      "updated_at": "2020-05-01T02:00:02Z"
     }
   ]
 }
diff --git a/doc/models/retrieve-loyalty-program-response.md b/doc/models/retrieve-loyalty-program-response.md
index 3ec8c3c9..2ff3dc1f 100644
--- a/doc/models/retrieve-loyalty-program-response.md
+++ b/doc/models/retrieve-loyalty-program-response.md
@@ -36,14 +36,14 @@ A response that contains the loyalty program.
         }
       }
     ],
-    "created_at": "\"2020-04-20T16:55:11Z\"",
+    "created_at": "2020-04-20T16:55:11Z",
     "id": "d619f755-2d17-41f3-990d-c04ecedd64dd",
     "location_ids": [
       "P034NEENMD09F"
     ],
     "reward_tiers": [
       {
-        "created_at": "\"2020-04-20T16:55:11Z\"",
+        "created_at": "2020-04-20T16:55:11Z",
         "definition": {
           "discount_type": "FIXED_PERCENTAGE",
           "percentage_discount": "10",
@@ -63,7 +63,7 @@ A response that contains the loyalty program.
       "one": "Point",
       "other": "Points"
     },
-    "updated_at": "\"2020-05-01T02:00:02Z\""
+    "updated_at": "2020-05-01T02:00:02Z"
   }
 }
 ```
diff --git a/requirements.txt b/requirements.txt
index 07f801db..bdfc7446 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
-requests~=2.24
 jsonpickle~=1.4, >= 1.4.1
+requests~=2.24
 cachecontrol~=0.12.6
 python-dateutil~=2.8.1
 deprecation~=2.1
diff --git a/setup.py b/setup.py
index 85a4957f..3356624f 100644
--- a/setup.py
+++ b/setup.py
@@ -12,7 +12,7 @@
 
 setup(
     name='squareup',
-    version='14.1.0.20210915',
+    version='14.1.1.20210915',
     description='Use Square APIs to manage and run business including payment, customer, product, inventory, and employee management.',
     long_description=long_description,
     long_description_content_type="text/markdown",
@@ -21,11 +21,11 @@
     url='https://squareup.com/developers',
     packages=find_packages(),
     install_requires=[
-        'requests>=2.9.1, <3.0',
-        'jsonpickle>=0.7.1, <1.0',
-        'cachecontrol>=0.11.7, <1.0',
-        'python-dateutil>=2.5.3, <3.0',
-        'deprecation>=2.0.6'
+        'jsonpickle~=1.4, >= 1.4.1',
+        'requests~=2.24',
+        'cachecontrol~=0.12.6',
+        'python-dateutil~=2.8.1',
+        'deprecation~=2.1'
     ],
     tests_require=[
         'nose>=1.3.7'
diff --git a/square/api/base_api.py b/square/api/base_api.py
index 1d62defd..5e65e04b 100644
--- a/square/api/base_api.py
+++ b/square/api/base_api.py
@@ -21,7 +21,7 @@ class BaseApi(object):
 
     def global_headers(self):
         return {
-            'user-agent': 'Square-Python-SDK/14.1.0.20210915',
+            'user-agent': 'Square-Python-SDK/14.1.1.20210915',
             'Square-Version': self.config.square_version
         }
 
diff --git a/square/client.py b/square/client.py
index 4f685e3a..174c4c01 100644
--- a/square/client.py
+++ b/square/client.py
@@ -41,7 +41,7 @@ class Client(object):
 
     @staticmethod
     def sdk_version():
-        return '14.1.0.20210915'
+        return '14.1.1.20210915'
 
     @staticmethod
     def square_version():
diff --git a/test-requirements.txt b/test-requirements.txt
index 9eccdff6..7331c33c 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -1 +1 @@
-nose==1.3.7
+nose>=1.3.7