diff --git a/.github/workflows/client-test.yml b/.github/workflows/client-test.yml
index b8b889e..571dafc 100644
--- a/.github/workflows/client-test.yml
+++ b/.github/workflows/client-test.yml
@@ -2,7 +2,7 @@ name: '🧪 Test Cloud Client'
 
 on:
   push:
-    branches:    
+    branches:
       - 'main'
     paths:
       - '**.py'
@@ -16,7 +16,7 @@ on:
       - edited
       - reopened
       - synchronize
-    branches:    
+    branches:
       - 'main'
     paths:
       - '**.py'
@@ -24,6 +24,9 @@ on:
       - '.github/workflows/*.json'
       - '!**/README.md'
 
+  schedule:
+    - cron: '0 12 * * *'  # Runs every day at 12 PM UTC
+
 jobs:
   build:
     runs-on: ubuntu-latest
@@ -32,7 +35,7 @@ jobs:
       uses: actions/checkout@v3
       
     - name: '♻ Caching dependencies'
-      uses: actions/cache@v3.3.1
+      uses: actions/cache@v4.2.2
       id: cache
       with:
         path: ~/cache/bin/
@@ -89,14 +92,18 @@ jobs:
     - name: '☁️  Connect to IoT cloud (CPython / Key-Cert Auth / Async)'
       env:
         DEVICE_ID: ${{ secrets.DEVICE_ID2 }}
-        SECRET_KEY: ${{ secrets.SECRET_KEY }}
       run: |
         python tests/ci.py --file-auth
 
+    - name: '☁️  Connect to IoT cloud (CPython / Key-Cert Auth / CADATA / Async)'
+      env:
+        DEVICE_ID: ${{ secrets.DEVICE_ID2 }}
+      run: |
+        python tests/ci.py --file-auth --ca-data
+
     - name: '☁️  Connect to IoT cloud (CPython / Crypto Auth / Async)'
       env:
         DEVICE_ID: ${{ secrets.DEVICE_ID2 }}
-        SECRET_KEY: ${{ secrets.SECRET_KEY }}
       run: |
         export SOFTHSM2_CONF="${HOME}/softhsm/tokens/softhsm2.conf"
         python tests/ci.py --crypto-device
@@ -122,7 +129,6 @@ jobs:
     - name: '☁️  Connect to IoT cloud (MicroPython / Key-Cert Auth / Async)'
       env:
         DEVICE_ID: ${{ secrets.DEVICE_ID2 }}
-        SECRET_KEY: ${{ secrets.SECRET_KEY }}
       run: |
         export PATH="${HOME}/cache/bin:${PATH}"
         micropython -c "import sys; print(sys.path)"
diff --git a/src/arduino_iot_cloud/__init__.py b/src/arduino_iot_cloud/__init__.py
index 83d7d06..0c89043 100644
--- a/src/arduino_iot_cloud/__init__.py
+++ b/src/arduino_iot_cloud/__init__.py
@@ -12,22 +12,22 @@
 
 
 CADATA = binascii.unhexlify(
-    b"308201cf30820174a00302010202141f101deba7e125e727c1a391e3ec0d"
-    b"174ded4a59300a06082a8648ce3d0403023045310b300906035504061302"
+    b"308201d030820176a00302010202146fad9e2bf56fd5b69a3c0698e43003"
+    b"0546f1075a300a06082a8648ce3d0403023045310b300906035504061302"
     b"555331173015060355040a130e41726475696e6f204c4c43205553310b30"
-    b"09060355040b130249543110300e0603550403130741726475696e6f301e"
-    b"170d3138303732343039343730305a170d3438303731363039343730305a"
-    b"3045310b300906035504061302555331173015060355040a130e41726475"
-    b"696e6f204c4c43205553310b3009060355040b130249543110300e060355"
-    b"0403130741726475696e6f3059301306072a8648ce3d020106082a8648ce"
-    b"3d030107034200046d776c5acf611c7d449851f25ee1024077b79cbd49a2"
-    b"a38c4eab5e98ac82fc695b442277b44d2e8edf2a71c1396cd63914bdd96b"
-    b"184b4becb3d5ee4289895522a3423040300e0603551d0f0101ff04040302"
-    b"0106300f0603551d130101ff040530030101ff301d0603551d0e04160414"
-    b"5b3e2a6b8ec9b01aa854e6369b8c09f9fce1b980300a06082a8648ce3d04"
-    b"03020349003046022100bfd3dc236668b50adc3f0d0ec373e20ac7f760aa"
-    b"100dd320bfe102969b6b05d8022100ead9d9da5acd12529709a8ed660fe1"
-    b"8d6444ffe82217304ff2b89aafca8ecf6c"
+    b"09060355040b130249543110300e0603550403130741726475696e6f3020"
+    b"170d3235303131303130353332325a180f32303535303130333130353332"
+    b"325a3045310b300906035504061302555331173015060355040a130e4172"
+    b"6475696e6f204c4c43205553310b3009060355040b130249543110300e06"
+    b"03550403130741726475696e6f3059301306072a8648ce3d020106082a86"
+    b"48ce3d03010703420004a1e1536c35521a330de82bac5b12c18f5037b33e"
+    b"649ba0ee270235c78d5a1045d0caf552ec97f29aff81c6e279973fd339c6"
+    b"d7a1cc6b618570f63bae621d71c8a3423040300f0603551d130101ff0405"
+    b"30030101ff300e0603551d0f0101ff040403020106301d0603551d0e0416"
+    b"041442652984d00488d1c603f409b378e33b1228e03e300a06082a8648ce"
+    b"3d0403020348003045022100cfa4cb60ff5e8953abfdc554ff5d73c06a1f"
+    b"7bf16835ee29d41973325ec6555002206f2d2f74dad966c839a515a412f6"
+    b"81f2ee23d5925b5b11fbecd73fecc58667a7"
 )
 
 
diff --git a/src/arduino_iot_cloud/ucloud.py b/src/arduino_iot_cloud/ucloud.py
index 992282b..0473cde 100644
--- a/src/arduino_iot_cloud/ucloud.py
+++ b/src/arduino_iot_cloud/ucloud.py
@@ -21,13 +21,13 @@ class InvalidStateError(Exception):
 try:
     from arduino_iot_cloud._version import __version__
 except (ImportError, AttributeError):
-    __version__ = "1.3.3"
+    __version__ = "1.4.1"
 
 # Server/port for basic auth.
 _DEFAULT_SERVER = "iot.arduino.cc"
 
 # Default port for cert based auth and basic auth.
-_DEFAULT_PORT = (8883, 8884)
+_DEFAULT_PORT = (8885, 8884)
 
 
 class DoneException(Exception):
diff --git a/tests/ci.py b/tests/ci.py
index bb090ad..17892e2 100644
--- a/tests/ci.py
+++ b/tests/ci.py
@@ -8,6 +8,7 @@
 import asyncio
 from arduino_iot_cloud import ArduinoCloudClient
 from arduino_iot_cloud import Task
+from arduino_iot_cloud import CADATA # noqa
 import argparse
 
 
@@ -25,7 +26,7 @@ def on_value_changed(client, value):
 def wdt_task(client, args, ts=[None]):
     if ts[0] is None:
         ts[0] = time.time()
-    if time.time() - ts[0] > 10:
+    if time.time() - ts[0] > 20:
         loop = asyncio.get_event_loop()
         loop.set_exception_handler(exception_handler)
         logging.error("Timeout waiting for variable")
@@ -47,6 +48,9 @@ def wdt_task(client, args, ts=[None]):
     parser.add_argument(
         "-f", "--file-auth", action="store_true", help="Use key/cert files"
     )
+    parser.add_argument(
+        "-ca", "--ca-data", action="store_true", help="Use embedded CADATA"
+    )
     parser.add_argument(
         "-s", "--sync", action="store_true", help="Run in synchronous mode"
     )
@@ -76,12 +80,14 @@ def wdt_task(client, args, ts=[None]):
     elif args.file_auth:
         import ssl
         fmt = "der" if sys.implementation.name == "micropython" else "pem"
+        ca_key = "cadata" if args.ca_data else "cafile"
+        ca_val = CADATA if args.ca_data else f"ca-root.{fmt}"
         client = ArduinoCloudClient(
             device_id=os.getenv("DEVICE_ID"),
             ssl_params={
                 "keyfile": f"key.{fmt}",
                 "certfile": f"cert.{fmt}",
-                "ca_certs": f"ca-root.{fmt}",
+                ca_key: ca_val,
                 "cert_reqs": ssl.CERT_REQUIRED,
             },
             sync_mode=args.sync,
@@ -95,7 +101,7 @@ def wdt_task(client, args, ts=[None]):
                 "use_hsm": True,
                 "keyfile": "pkcs11:token=arduino",
                 "certfile": "pkcs11:token=arduino",
-                "ca_certs": "ca-root.pem",
+                "cafile": "ca-root.pem",
                 "cert_reqs": ssl.CERT_REQUIRED,
                 "engine_path": "/lib/x86_64-linux-gnu/engines-3/libpkcs11.so",
                 "module_path": "/lib/x86_64-linux-gnu/softhsm/libsofthsm2.so",