diff --git a/src/posit/connect/jobs.py b/src/posit/connect/jobs.py
index 69fb38af..e060e4f1 100644
--- a/src/posit/connect/jobs.py
+++ b/src/posit/connect/jobs.py
@@ -95,6 +95,7 @@ def find_by(
         key: str = ...,
         remote_id: str | None = ...,
         app_id: str = ...,
+        content_id: str = ...,
         variant_id: str = ...,
         bundle_id: str = ...,
         # Timestamps
@@ -129,6 +130,9 @@ def find_by(
             Identifier for off-host execution configurations.
         app_id : str, not required
             Identifier of the parent content associated with the job.
+            This field is deprecated and has been renamed to content_id.
+        content_id : str, not required
+            Identifier of the parent content associated with the job.
         variant_id : str, not required
             Identifier of the variant responsible for the job.
         bundle_id : str, not required
diff --git a/src/posit/connect/packages.py b/src/posit/connect/packages.py
index af108e84..56efb623 100644
--- a/src/posit/connect/packages.py
+++ b/src/posit/connect/packages.py
@@ -92,6 +92,8 @@ def fetch(
         bundle_id: str = ...,
         app_id: str = ...,
         app_guid: str = ...,
+        content_id: str = ...,
+        content_guid: str = ...,
     ) -> Iterable[Package]:
         """
         Fetch all records matching the specified conditions.
@@ -110,8 +112,14 @@ def fetch(
             The unique identifier of the bundle this package is associated with.
         app_id: str, not required
             The numerical identifier of the application this package is associated with.
+            This field is deprecated and has been renamed to content_id.
         app_guid: str, not required
             The unique identifier of the application this package is associated with.
+            This field is deprecated and has been renamed to content_guid.
+        content_id: str, not required
+            The numerical identifier of the content item this package is associated with.
+        content_guid: str, not required
+            The unique identifier of the content item this package is associated with.
 
         Returns
         -------
@@ -130,6 +138,8 @@ def find_by(
         bundle_id: str = ...,
         app_id: str = ...,
         app_guid: str = ...,
+        content_id: str = ...,
+        content_guid: str = ...,
     ) -> Package | None:
         """
         Find the first record matching the specified conditions.
@@ -150,8 +160,14 @@ def find_by(
             The unique identifier of the bundle this package is associated with.
         app_id: str, not required
             The numerical identifier of the application this package is associated with.
+            This field is deprecated and has been renamed to content_id.
         app_guid: str, not required
             The unique identifier of the application this package is associated with.
+            This field is deprecated and has been renamed to content_guid.
+        content_id: str, not required
+            The numerical identifier of the content item this package is associated with.
+        content_guid: str, not required
+            The unique identifier of the content item this package is associated with.
 
         Returns
         -------
diff --git a/tests/posit/connect/__api__/v1/content/f2f37341-e21d-3d80-c698-a935ad614066/jobs.json b/tests/posit/connect/__api__/v1/content/f2f37341-e21d-3d80-c698-a935ad614066/jobs.json
index b497e465..a4c34f4b 100644
--- a/tests/posit/connect/__api__/v1/content/f2f37341-e21d-3d80-c698-a935ad614066/jobs.json
+++ b/tests/posit/connect/__api__/v1/content/f2f37341-e21d-3d80-c698-a935ad614066/jobs.json
@@ -6,6 +6,7 @@
         "key": "tHawGvHZTosJA2Dx",
         "remote_id": "S3ViZXJuZXRlczpyZW5kZXItci1tYXJrZG93bi1zaXRlLWtnODJo",
         "app_id": "54",
+        "content_id": "54",
         "variant_id": "54",
         "bundle_id": "54",
         "start_time": "2006-01-02T15:04:05-07:00",
diff --git a/tests/posit/connect/__api__/v1/content/f2f37341-e21d-3d80-c698-a935ad614066/jobs/tHawGvHZTosJA2Dx.json b/tests/posit/connect/__api__/v1/content/f2f37341-e21d-3d80-c698-a935ad614066/jobs/tHawGvHZTosJA2Dx.json
index c1ca8446..5ea1d580 100644
--- a/tests/posit/connect/__api__/v1/content/f2f37341-e21d-3d80-c698-a935ad614066/jobs/tHawGvHZTosJA2Dx.json
+++ b/tests/posit/connect/__api__/v1/content/f2f37341-e21d-3d80-c698-a935ad614066/jobs/tHawGvHZTosJA2Dx.json
@@ -5,6 +5,7 @@
     "key": "tHawGvHZTosJA2Dx",
     "remote_id": "S3ViZXJuZXRlczpyZW5kZXItci1tYXJrZG93bi1zaXRlLWtnODJo",
     "app_id": "54",
+    "content_id": "54",
     "variant_id": "54",
     "bundle_id": "54",
     "start_time": "2006-01-02T15:04:05-07:00",
diff --git a/tests/posit/connect/__api__/v1/packages.json b/tests/posit/connect/__api__/v1/packages.json
index a259eef1..4e630de3 100644
--- a/tests/posit/connect/__api__/v1/packages.json
+++ b/tests/posit/connect/__api__/v1/packages.json
@@ -3,7 +3,11 @@
         {
             "language": "python",
             "name": "posit",
-            "version": "0.6.0"
+            "version": "0.6.0",
+            "app_id": "123",
+            "app_guid": "abcd-1234",
+            "content_id": "123",
+            "content_guid": "abcd-1234"
         }
     ],
     "current_page": 1,
diff --git a/tests/posit/connect/test_jobs.py b/tests/posit/connect/test_jobs.py
index 802dd850..aabde207 100644
--- a/tests/posit/connect/test_jobs.py
+++ b/tests/posit/connect/test_jobs.py
@@ -90,6 +90,33 @@ def test(self):
         assert job
         assert job["key"] == "tHawGvHZTosJA2Dx"
 
+    @responses.activate
+    def test_with_content_id(self):
+        responses.get(
+            "https://connect.example/__api__/v1/content/f2f37341-e21d-3d80-c698-a935ad614066",
+            json=load_mock("v1/content/f2f37341-e21d-3d80-c698-a935ad614066.json"),
+        )
+
+        responses.get(
+            "https://connect.example/__api__/v1/content/f2f37341-e21d-3d80-c698-a935ad614066/jobs",
+            json=load_mock("v1/content/f2f37341-e21d-3d80-c698-a935ad614066/jobs.json"),
+        )
+
+        c = Client("https://connect.example", "12345")
+        content = c.content.get("f2f37341-e21d-3d80-c698-a935ad614066")
+
+        # Test with content_id (new field)
+        job = content.jobs.find_by(content_id="54")
+        assert job
+        assert job["content_id"] == "54"
+        assert job["app_id"] == "54"  # Should have both fields
+
+        # Test with app_id (deprecated field)
+        job = content.jobs.find_by(app_id="54")
+        assert job
+        assert job["app_id"] == "54"
+        assert job["content_id"] == "54"  # Should have both fields
+
 
 class TestJobDestory:
     @responses.activate
diff --git a/tests/posit/connect/test_packages.py b/tests/posit/connect/test_packages.py
index 2f1917a5..8b68f4f4 100644
--- a/tests/posit/connect/test_packages.py
+++ b/tests/posit/connect/test_packages.py
@@ -20,3 +20,25 @@ def test(self):
         assert package
         assert package["name"] == "posit"
         assert mock_get.call_count == 1
+
+    @responses.activate
+    def test_with_content_fields(self):
+        mock_get = responses.get(
+            "https://connect.example/__api__/v1/packages",
+            json=load_mock("v1/packages.json"),
+        )
+
+        c = Client("https://connect.example", "12345")
+        c._ctx.version = None
+
+        # Test with content_id and content_guid (new fields)
+        package = c.packages.find_by(name="posit", content_id="123", content_guid="abcd-1234")
+        assert package
+        assert package["name"] == "posit"
+        assert mock_get.call_count == 1
+
+        # Test with app_id and app_guid (deprecated fields)
+        package = c.packages.find_by(name="posit", app_id="123", app_guid="abcd-1234")
+        assert package
+        assert package["name"] == "posit"
+        assert mock_get.call_count == 2