diff --git a/setup.py b/setup.py
--- a/setup.py
+++ b/setup.py
@@ -46,7 +46,7 @@ requirements = [
     "waitress >= 0.8.8, < 3.1",
     "WebOb >= 1.8, < 1.9",
     "backlash >= 0.1.2, < 1",
-    "TurboGears2 >= 2.4, < 2.5",
+    "TurboGears2 >= 2.4, < 2.6",
     "tgext.routes >= 0.2.0, < 1",
     "Beaker >= 1.10.1, < 2",
     "WebHelpers2 >= 2.0, < 2.2",
@@ -55,23 +55,23 @@ requirements = [
     "Mako >= 0.9.1, < 1.4",
     "Pygments >= 2.2.0, < 2.8",  # TODO: Upgrade and update tests
     "Whoosh >= 2.7.1, < 2.8",
-    "celery >= 5, < 5.5",
+    "celery >= 5, < 5.6",
     "Babel >= 1.3, < 2.18",
     "python-dateutil >= 2.1.0, < 2.10",
     "Markdown >= 2.2.1, < 3.2",  # TODO: Upgrade and update tests
     "docutils >= 0.11, < 0.22",
-    "URLObject >= 2.3.4, < 2.5",
+    "URLObject >= 2.3.4, < 3.1",
     "Routes >= 2.0, < 2.6",
-    "dulwich >= 0.19.0, < 0.23",
-    "mercurial >= 5.2, < 7.1",
-    "decorator >= 4.2.1, < 5.2",
+    "dulwich >= 0.19.0, < 0.25",
+    "mercurial >= 5.2, < 7.2",
+    "decorator >= 4.2.1, < 5.3",
     "Paste >= 2.0.3, < 3.11",
     "bleach >= 3.2, < 5",  # TODO: Upgrade and fix TypeError: clean() got an unexpected keyword argument 'styles'
-    "Click >= 7.0, < 8.2",
+    "Click >= 7.0, < 8.4",
     "ipaddr >= 2.2.0, < 2.3",
     "paginate >= 0.5, < 0.6",
     "paginate_sqlalchemy >= 0.3.0, < 0.4",
-    "bcrypt >= 3.1.0, < 4.3",
+    "bcrypt >= 3.1.0, < 5.1",
     "pip >= 20.0, < 24.1",
     "chardet >= 3",
 ]