diff --git a/.github/workflows/testing.yml b/.github/workflows/testing.yml
index 9bd6235b..b1484d53 100644
--- a/.github/workflows/testing.yml
+++ b/.github/workflows/testing.yml
@@ -12,7 +12,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: ["ubuntu-latest", "macos-13", "windows-latest"]
+        os: ["ubuntu-latest", "macos-latest", "windows-latest"]
         python-version: ["3.10", "3.13"]
     env:
       TESTING_FILES_FOLDER_PATH: ./204919/testing_files/
diff --git a/.gitignore b/.gitignore
index df72f1b2..ee395a50 100644
--- a/.gitignore
+++ b/.gitignore
@@ -37,3 +37,4 @@ dist/
 # Doc build
 /docs/_build/*
 _build/
+uv.lock
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4ba8d577..acc575c2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,7 @@
 ### Improvements
 * Added documentation to API and CLI docs on how to use the dandi config option. [#624](https://github.com/NeurodataWithoutBorders/nwbinspector/pull/624)
 * Dropped Python 3.9 and middle Python versions (3.11, 3.12) from CI; now testing only Python 3.10 and 3.13. [#632](https://github.com/NeurodataWithoutBorders/nwbinspector/pull/632)
+* Updated macOS CI runner from `macos-13` to `macos-latest`. [#639](https://github.com/NeurodataWithoutBorders/nwbinspector/pull/639)
 
 # v0.6.5 (July 25, 2025)