diff --git a/pyup/providers/github.py b/pyup/providers/github.py
index ae2e972..2140d6a 100644
--- a/pyup/providers/github.py
+++ b/pyup/providers/github.py
@@ -3,6 +3,7 @@
 import time
 import logging
 from github import Github, GithubException, UnknownObjectException, InputGitAuthor
+from github.Consts import DEFAULT_BASE_URL
 from ..errors import BranchExistsError, NoPermissionError, RepoDoesNotExistError
 
 logger = logging.getLogger(__name__)
@@ -12,7 +13,7 @@ class Provider(object):
     def __init__(self, bundle, integration=False, url=None, ignore_ssl=False):
         self.bundle = bundle
         self.integration = integration
-        self.url = url
+        self.url = url or DEFAULT_BASE_URL
         self.ignore_ssl = ignore_ssl
         self.__api = None
         self.__token = ''
diff --git a/setup.py b/setup.py
index dd3d9fd..bf3176e 100755
--- a/setup.py
+++ b/setup.py
@@ -15,16 +15,17 @@
     history = history_file.read().replace('.. :changelog:', '')
 
 requirements = [
-    "requests",
-    "pygithub>=1.43.3",
-    "click",
-    "tqdm",
-    "pyyaml>=4.2b4",
-    "packaging",
-    "python-gitlab>=1.3.0",
-    "dparse>=0.5.1",
-    "safety>=1.9.0",
-    "jinja2>=2.3"
+    "requests==2.32.4",
+    "pygithub==2.8.1",
+    "click==8.1.8",
+    "tqdm==4.68.4",
+    "pyyaml==6.0.3",
+    "packaging==21.3",
+    "python-gitlab==4.13.0",
+    "cryptography==46.0.7",
+    "dparse==0.6.3",
+    "safety==2.3.5",
+    "jinja2==3.1.6"
 ]
 
 setup(