diff --git a/conda/environments/all_cuda-118_arch-x86_64.yaml b/conda/environments/all_cuda-118_arch-x86_64.yaml
index c045db32c65..23d09269a90 100644
--- a/conda/environments/all_cuda-118_arch-x86_64.yaml
+++ b/conda/environments/all_cuda-118_arch-x86_64.yaml
@@ -10,6 +10,7 @@ dependencies:
 - aiohttp
 - breathe
 - c-compiler
+- certifi
 - cmake>=3.26.4,!=3.30.0
 - cuda-nvtx
 - cuda-version=11.8
diff --git a/conda/environments/all_cuda-125_arch-x86_64.yaml b/conda/environments/all_cuda-125_arch-x86_64.yaml
index 333d9dc8c2f..afd4dec41c7 100644
--- a/conda/environments/all_cuda-125_arch-x86_64.yaml
+++ b/conda/environments/all_cuda-125_arch-x86_64.yaml
@@ -10,6 +10,7 @@ dependencies:
 - aiohttp
 - breathe
 - c-compiler
+- certifi
 - cmake>=3.26.4,!=3.30.0
 - cuda-cudart-dev
 - cuda-nvcc
diff --git a/dependencies.yaml b/dependencies.yaml
old mode 100644
new mode 100755
index d081655f8a9..142fe0c987e
--- a/dependencies.yaml
+++ b/dependencies.yaml
@@ -470,6 +470,7 @@ dependencies:
     common:
       - output_types: [conda, requirements]
         packages:
+          - certifi
           - ipython
           - notebook>=0.5.0
       - output_types: [conda]
@@ -489,6 +490,7 @@ dependencies:
     common:
       - output_types: [conda, pyproject]
         packages:
+          - certifi
           - networkx>=2.5.1
           - *numpy
           - python-louvain
diff --git a/python/cugraph-service/server/pyproject.toml b/python/cugraph-service/server/pyproject.toml
index f388fd4c126..caafd1fe507 100644
--- a/python/cugraph-service/server/pyproject.toml
+++ b/python/cugraph-service/server/pyproject.toml
@@ -46,6 +46,7 @@ cugraph-service-server = "cugraph_service_server.__main__:main"
 
 [project.optional-dependencies]
 test = [
+    "certifi",
     "networkx>=2.5.1",
     "numpy>=1.23,<3.0a0",
     "pandas",
diff --git a/python/cugraph/cugraph/datasets/dataset.py b/python/cugraph/cugraph/datasets/dataset.py
index 63389cbc16a..763ae8033f5 100644
--- a/python/cugraph/cugraph/datasets/dataset.py
+++ b/python/cugraph/cugraph/datasets/dataset.py
@@ -11,14 +11,15 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import cudf
-import dask_cudf
-import yaml
 import os
 import pandas as pd
-import cugraph.dask as dcg
+import yaml
 from pathlib import Path
-import urllib.request
+from urllib.request import urlretrieve
+
+import cudf
+import cugraph.dask as dcg
+import dask_cudf
 from cugraph.structure.graph_classes import Graph
 
 
@@ -142,7 +143,7 @@ def __download_csv(self, url):
         filename = self.metadata["name"] + self.metadata["file_type"]
         if self._dl_path.path.is_dir():
             self._path = self._dl_path.path / filename
-            urllib.request.urlretrieve(url, str(self._path))
+            urlretrieve(url, str(self._path))
 
         else:
             raise RuntimeError(
@@ -458,7 +459,7 @@ def download_all(force=False):
                 filename = meta["name"] + meta["file_type"]
                 save_to = default_download_dir.path / filename
                 if not save_to.is_file() or force:
-                    urllib.request.urlretrieve(meta["url"], str(save_to))
+                    urlretrieve(meta["url"], str(save_to))
 
 
 def set_download_dir(path):
diff --git a/python/cugraph/cugraph/testing/resultset.py b/python/cugraph/cugraph/testing/resultset.py
index f557ad13089..f7d2521752c 100644
--- a/python/cugraph/cugraph/testing/resultset.py
+++ b/python/cugraph/cugraph/testing/resultset.py
@@ -13,7 +13,6 @@
 
 import warnings
 import tarfile
-
 import urllib.request
 
 import cudf
@@ -22,8 +21,6 @@
     default_download_dir,
 )
 
-# results_dir_path = utils.RAPIDS_DATASET_ROOT_DIR_PATH / "tests" / "resultsets"
-
 
 class Resultset:
     """
diff --git a/python/cugraph/cugraph/tests/conftest.py b/python/cugraph/cugraph/tests/conftest.py
index d31c2968afe..101a4e6a192 100644
--- a/python/cugraph/cugraph/tests/conftest.py
+++ b/python/cugraph/cugraph/tests/conftest.py
@@ -23,9 +23,20 @@
 # Avoid timeout during shutdown
 from dask_cuda.utils_test import IncreasedCloseTimeoutNanny
 
-# module-wide fixtures
+import certifi
+from ssl import create_default_context
+from urllib.request import build_opener, HTTPSHandler, install_opener
+
+
+# Install SSL certificates
+def pytest_sessionstart(session):
+    ssl_context = create_default_context(cafile=certifi.where())
+    https_handler = HTTPSHandler(context=ssl_context)
+    install_opener(build_opener(https_handler))
 
 
+# module-wide fixtures
+
 # Spoof the gpubenchmark fixture if it's not available so that asvdb and
 # rapids-pytest-benchmark do not need to be installed to run tests.
 if "gpubenchmark" not in globals():
diff --git a/python/cugraph/pyproject.toml b/python/cugraph/pyproject.toml
index d3960ab5d32..bb5b5256603 100644
--- a/python/cugraph/pyproject.toml
+++ b/python/cugraph/pyproject.toml
@@ -46,6 +46,7 @@ classifiers = [
 
 [project.optional-dependencies]
 test = [
+    "certifi",
     "networkx>=2.5.1",
     "numpy>=1.23,<3.0a0",
     "pandas",