diff --git a/.github/workflows/static-anaysis.yml b/.github/workflows/static-anaysis.yml
index 2c31cf49..0f7e9399 100644
--- a/.github/workflows/static-anaysis.yml
+++ b/.github/workflows/static-anaysis.yml
@@ -4,7 +4,7 @@ on: push
 
 jobs:
   call-ruff-workflow:
-    uses: ASFHyP3/actions/.github/workflows/reusable-ruff.yml@v0.12.0
+    uses: ASFHyP3/actions/.github/workflows/reusable-ruff.yml@v0.13.2
 
   cfn-lint:
     runs-on: ubuntu-latest
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1093355d..d3ed7cf1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,10 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [0.5.10]
+### Changed
+- Update `ruff` configuration to our latest standards.
+
 ## [0.5.9]
 ### Changed
 - Improved deduplication performance by searching HyP3's dynamodb directly for `PENDING` and `RUNNING` jobs, instead of using the `hyp3_sdk`.
diff --git a/its_live_monitoring/src/main.py b/its_live_monitoring/src/main.py
index 72b8f8ed..fe8d1407 100644
--- a/its_live_monitoring/src/main.py
+++ b/its_live_monitoring/src/main.py
@@ -5,7 +5,7 @@
 import logging
 import os
 import sys
-from datetime import datetime, timezone
+from datetime import UTC, datetime
 
 import boto3
 import geopandas as gpd
@@ -128,7 +128,7 @@ def format_time(time: datetime) -> str:
     """
     if time.tzinfo is None:
         raise ValueError(f'missing tzinfo for datetime {time}')
-    utc_time = time.astimezone(timezone.utc)
+    utc_time = time.astimezone(UTC)
     return utc_time.isoformat(timespec='seconds')
 
 
diff --git a/ruff.toml b/pyproject.toml
similarity index 63%
rename from ruff.toml
rename to pyproject.toml
index 1c5415e4..646c7be4 100644
--- a/ruff.toml
+++ b/pyproject.toml
@@ -1,11 +1,17 @@
+[project]
+requires-python = "==3.12"
+
+[tool.ruff]
 line-length = 120
-src = ["its_live_monitoring/src", "status-messages/src", "tests"]
+# The directories to consider when resolving first- vs. third-party imports.
+# See: https://docs.astral.sh/ruff/settings/#src
+src = ["**/src", "tests"]
 
-[format]
+[tool.ruff.format]
 indent-style = "space"
 quote-style = "single"
 
-[lint]
+[tool.ruff.lint]
 extend-select = [
     "I",   # isort: https://docs.astral.sh/ruff/rules/#isort-i
     "UP",  # pyupgrade: https://docs.astral.sh/ruff/rules/#pyupgrade-up
@@ -14,12 +20,12 @@ extend-select = [
     "PTH", # use-pathlib-pth: https://docs.astral.sh/ruff/rules/#flake8-use-pathlib-pth
 ]
 
-[lint.pydocstyle]
+[tool.ruff.lint.pydocstyle]
 convention = "google"
 
-[lint.isort]
+[tool.ruff.lint.isort]
 case-sensitive = true
 lines-after-imports = 2
 
-[lint.extend-per-file-ignores]
+[tool.ruff.lint.extend-per-file-ignores]
 "tests/*" = ["D100", "D103", "ANN"]
diff --git a/status-messages/src/status_messages.py b/status-messages/src/status_messages.py
index 72430ede..fe1df3da 100644
--- a/status-messages/src/status_messages.py
+++ b/status-messages/src/status_messages.py
@@ -4,7 +4,7 @@
 import logging
 import os
 import sys
-from datetime import datetime, timezone
+from datetime import UTC, datetime
 from pathlib import Path
 
 import boto3
@@ -59,7 +59,7 @@ def lambda_handler(event: dict, context: dict) -> None:
 
     mattermost_message = (
         f'{status_emoji} Dead Letter Queue Count for `{queue_name}` has '
-        f'{dead_letter_queue_count} entries on {datetime.now(tz=timezone.utc).isoformat()}'
+        f'{dead_letter_queue_count} entries on {datetime.now(tz=UTC).isoformat()}'
     )
 
     log.info(f'Posting: "{mattermost_message}" to {MATTERMOST_CHANNEL_ID}')
diff --git a/tests/its_live_monitoring/test_landsat.py b/tests/its_live_monitoring/test_landsat.py
index e769cbf6..edda8b57 100644
--- a/tests/its_live_monitoring/test_landsat.py
+++ b/tests/its_live_monitoring/test_landsat.py
@@ -1,5 +1,5 @@
 from copy import deepcopy
-from datetime import datetime, timezone
+from datetime import UTC, datetime
 from unittest.mock import patch
 
 import landsat
@@ -123,9 +123,9 @@ def test_get_landsat_pairs_for_reference_scene(mock_landsat_get_item, pystac_ite
         'LC09_L1TP_138041_20240104_20240104_02_T1',
     ]
     sec_date_times = [
-        datetime(2024, 1, 20, 4, 30, 3, 658618, tzinfo=timezone.utc),
-        datetime(2024, 1, 12, 4, 29, 55, tzinfo=timezone.utc),
-        datetime(2024, 1, 4, 4, 30, 3, 184014, tzinfo=timezone.utc),
+        datetime(2024, 1, 20, 4, 30, 3, 658618, tzinfo=UTC),
+        datetime(2024, 1, 12, 4, 29, 55, tzinfo=UTC),
+        datetime(2024, 1, 4, 4, 30, 3, 184014, tzinfo=UTC),
     ]
     sec_items = []
     for scene, date_time in zip(sec_scenes, sec_date_times):
diff --git a/tests/its_live_monitoring/test_sentinel2.py b/tests/its_live_monitoring/test_sentinel2.py
index 3afd67a5..923f91f9 100644
--- a/tests/its_live_monitoring/test_sentinel2.py
+++ b/tests/its_live_monitoring/test_sentinel2.py
@@ -1,5 +1,5 @@
 from copy import deepcopy
-from datetime import datetime, timezone
+from datetime import UTC, datetime
 from unittest.mock import patch
 
 import pystac
@@ -192,9 +192,9 @@ def test_get_sentinel2_pairs_for_reference_scene(
         'S2B_22TCR_20210528_0_L1C',
     ]
     sec_date_times = [
-        datetime(2024, 5, 28, 0, 0, 0, 0, tzinfo=timezone.utc),
-        datetime(2023, 5, 28, 0, 0, 0, tzinfo=timezone.utc),
-        datetime(2021, 5, 28, 0, 0, 0, 0, tzinfo=timezone.utc),
+        datetime(2024, 5, 28, 0, 0, 0, 0, tzinfo=UTC),
+        datetime(2023, 5, 28, 0, 0, 0, tzinfo=UTC),
+        datetime(2021, 5, 28, 0, 0, 0, 0, tzinfo=UTC),
     ]
     sec_items = []
     for scene, date_time in zip(sec_scenes, sec_date_times):