diff --git a/CHANGES/+add-pulp-exceptions.feature b/CHANGES/+add-pulp-exceptions.feature
new file mode 100644
index 0000000..b0fd643
--- /dev/null
+++ b/CHANGES/+add-pulp-exceptions.feature
@@ -0,0 +1 @@
+Add more Pulp Exceptions.
diff --git a/pulp_npm/app/exceptions.py b/pulp_npm/app/exceptions.py
new file mode 100644
index 0000000..e69de29
diff --git a/pulp_npm/app/tasks/synchronizing.py b/pulp_npm/app/tasks/synchronizing.py
index e09389b..fee03e6 100644
--- a/pulp_npm/app/tasks/synchronizing.py
+++ b/pulp_npm/app/tasks/synchronizing.py
@@ -2,6 +2,7 @@
 import logging
 from gettext import gettext as _
 
+from pulpcore.plugin.exceptions import SyncError
 from pulpcore.plugin.models import Artifact, Remote, Repository
 from pulpcore.plugin.serializers import RepositoryVersionSerializer
 from pulpcore.plugin.stages import (
@@ -35,7 +36,7 @@ def synchronize(remote_pk, repository_pk, mirror=False):
     repository = Repository.objects.get(pk=repository_pk)
 
     if not remote.url:
-        raise ValueError(_("A remote must have a url specified to synchronize."))
+        raise SyncError(_("A remote must have a url specified to synchronize."))
 
     # Interpret policy to download Artifacts or not
     deferred_download = remote.policy != Remote.IMMEDIATE
diff --git a/pyproject.toml b/pyproject.toml
index e4b9418..aac1ab0 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -25,7 +25,7 @@ classifiers=[
 ]
 requires-python = ">=3.11"
 dependencies = [
-  "pulpcore>=3.85.0,<3.115",
+  "pulpcore>=3.105.0,<3.115",
 ]
 
 [project.urls]