diff --git a/examples/onnxrt/image_recognition/onnx_model_zoo/mnist/quantization/ptq_static/main.py b/examples/onnxrt/image_recognition/onnx_model_zoo/mnist/quantization/ptq_static/main.py
index e8a24acab49..90af8a97c7a 100644
--- a/examples/onnxrt/image_recognition/onnx_model_zoo/mnist/quantization/ptq_static/main.py
+++ b/examples/onnxrt/image_recognition/onnx_model_zoo/mnist/quantization/ptq_static/main.py
@@ -153,6 +153,8 @@ def download_url(url, root, filename=None, md5=None):  # pragma: no cover
         md5 (str): the md5 string.
     """
     import urllib
+    import ssl
+    ssl._create_default_https_context = ssl._create_unverified_context
     root = os.path.expanduser(root)
     if not filename:
         filename = os.path.basename(url)
diff --git a/examples/tensorflow/nlp/bert_base_mrpc/quantization/ptq/prepare_dataset.py b/examples/tensorflow/nlp/bert_base_mrpc/quantization/ptq/prepare_dataset.py
index 1e5fa953519..621fde63e6c 100644
--- a/examples/tensorflow/nlp/bert_base_mrpc/quantization/ptq/prepare_dataset.py
+++ b/examples/tensorflow/nlp/bert_base_mrpc/quantization/ptq/prepare_dataset.py
@@ -39,18 +39,20 @@
 import tempfile
 import urllib.request
 import zipfile
+import ssl
+ssl._create_default_https_context = ssl._create_unverified_context
 
 TASKS = ["CoLA", "SST", "MRPC", "QQP", "STS", "MNLI", "QNLI", "RTE", "WNLI", "diagnostic"]
-TASK2PATH = {"CoLA":'https://dl.fbaipublicfiles.com/glue/data/CoLA.zip',
-             "SST":'https://dl.fbaipublicfiles.com/glue/data/SST-2.zip',
-             "QQP":'https://dl.fbaipublicfiles.com/glue/data/STS-B.zip',
-             "STS":'https://dl.fbaipublicfiles.com/glue/data/QQP-clean.zip',
-             "MNLI":'https://dl.fbaipublicfiles.com/glue/data/MNLI.zip',
-             "QNLI":'https://dl.fbaipublicfiles.com/glue/data/QNLIv2.zip',
-             "RTE":'https://dl.fbaipublicfiles.com/glue/data/RTE.zip',
-             "WNLI":'https://dl.fbaipublicfiles.com/glue/data/WNLI.zip',
-             "MRPC":"https://raw.githubusercontent.com/MegEngine/Models/master/official/nlp/bert/glue_data/MRPC/dev_ids.tsv",
-             "diagnostic":'https://dl.fbaipublicfiles.com/glue/data/AX.tsv'}
+TASK2PATH = {"CoLA": 'https://dl.fbaipublicfiles.com/glue/data/CoLA.zip',
+             "SST": 'https://dl.fbaipublicfiles.com/glue/data/SST-2.zip',
+             "QQP": 'https://dl.fbaipublicfiles.com/glue/data/STS-B.zip',
+             "STS": 'https://dl.fbaipublicfiles.com/glue/data/QQP-clean.zip',
+             "MNLI": 'https://dl.fbaipublicfiles.com/glue/data/MNLI.zip',
+             "QNLI": 'https://dl.fbaipublicfiles.com/glue/data/QNLIv2.zip',
+             "RTE": 'https://dl.fbaipublicfiles.com/glue/data/RTE.zip',
+             "WNLI": 'https://dl.fbaipublicfiles.com/glue/data/WNLI.zip',
+             "MRPC": "https://raw.githubusercontent.com/MegEngine/Models/master/official/nlp/bert/glue_data/MRPC/dev_ids.tsv",
+             "diagnostic": 'https://dl.fbaipublicfiles.com/glue/data/AX.tsv'}
 
 MRPC_TRAIN = 'https://dl.fbaipublicfiles.com/senteval/senteval_data/msr_paraphrase_train.txt'
 MRPC_TEST = 'https://dl.fbaipublicfiles.com/senteval/senteval_data/msr_paraphrase_test.txt'
diff --git a/neural_compressor/data/datasets/dataset.py b/neural_compressor/data/datasets/dataset.py
index 49dcf044dbd..46cec9ba36a 100644
--- a/neural_compressor/data/datasets/dataset.py
+++ b/neural_compressor/data/datasets/dataset.py
@@ -299,8 +299,11 @@ def download_url(url, root, filename=None, md5=None):  # pragma: no cover
         filename (str): the file name for saving.
         md5 (str): the md5 string.
     """
+    import ssl
     import urllib
 
+    ssl._create_default_https_context = ssl._create_unverified_context
+
     root = os.path.expanduser(root)
     if not filename:
         filename = os.path.basename(url)
diff --git a/neural_compressor/experimental/data/datasets/dataset.py b/neural_compressor/experimental/data/datasets/dataset.py
index c99d14ca8ab..832adcf5f73 100644
--- a/neural_compressor/experimental/data/datasets/dataset.py
+++ b/neural_compressor/experimental/data/datasets/dataset.py
@@ -299,8 +299,11 @@ def download_url(url, root, filename=None, md5=None):  # pragma: no cover
         filename (str): the file name for saving.
         md5 (str): the md5 string.
     """
+    import ssl
     import urllib
 
+    ssl._create_default_https_context = ssl._create_unverified_context
+
     root = os.path.expanduser(root)
     if not filename:
         filename = os.path.basename(url)
diff --git a/test/data/test_exp_transformers.py b/test/data/test_exp_transformers.py
index 591b02051e6..6f5fd51f737 100644
--- a/test/data/test_exp_transformers.py
+++ b/test/data/test_exp_transformers.py
@@ -718,8 +718,11 @@ def testRandomResizedCrop(self):
 
     def testSquadV1(self):
         import json
+        import ssl
         import urllib
 
+        ssl._create_default_https_context = ssl._create_unverified_context
+
         vocab_url = (
             "https://raw.githubusercontent.com/microsoft/SDNet/master/bert_vocab_files/bert-large-uncased-vocab.txt"
         )
diff --git a/test/data/test_transform.py b/test/data/test_transform.py
index aba4f25cc64..3550dd0faeb 100644
--- a/test/data/test_transform.py
+++ b/test/data/test_transform.py
@@ -718,8 +718,11 @@ def testRandomResizedCrop(self):
 
     def testSquadV1(self):
         import json
+        import ssl
         import urllib
 
+        ssl._create_default_https_context = ssl._create_unverified_context
+
         vocab_url = (
             "https://raw.githubusercontent.com/microsoft/SDNet/master/bert_vocab_files/bert-large-uncased-vocab.txt"
         )