diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index ac3196e5..c55ada57 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -56,14 +56,21 @@ jobs:
 
       - uses: actions/checkout@v4
 
-      - name: Setup FFmpeg
-        uses: Iamshankhadeep/setup-ffmpeg@v1.1
+      - if: matrix.os == 'ubuntu-latest'
+        name: Setup FFmpeg
+        uses: Iamshankhadeep/setup-ffmpeg@v1.1  # does not support arm64
         with:
           # Not strictly necessary, but it may prevent rate limit
           # errors especially on GitHub-hosted macos machines.
           token: ${{ secrets.GITHUB_TOKEN }}
           version: "4.4"
 
+      - if: matrix.os == 'macos-latest'
+        name: Setup FFmpeg
+        run: |
+          brew install ffmpeg@4
+          echo "/opt/homebrew/opt/ffmpeg@4/bin" >> $GITHUB_PATH
+
       - name: Configure Windows compilers
         uses: ilammy/msvc-dev-cmd@v1
 
@@ -80,6 +87,11 @@ jobs:
         run: |
           make tests
 
+      - if: matrix.os == 'macos-latest'
+        name: Specify MacOS version for densepose install
+        run: |
+          echo "MACOSX_DEPLOYMENT_TARGET=$(sw_vers -productVersion)" >> $GITHUB_ENV
+
       - name: Run densepose tests
         env:
           ZAMBA_RUN_DENSEPOSE_TESTS: 1
diff --git a/pyproject.toml b/pyproject.toml
index 6ea0c538..27a14691 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -21,7 +21,6 @@ dependencies = [
   "appdirs",
   "av",
   "cloudpathlib[s3]",
-  "botocore>=1.34.0",
   "ffmpeg-python",
   "future",
   "fvcore",
diff --git a/tests/test_load_video_frames.py b/tests/test_load_video_frames.py
index 92fdf94a..c8acd741 100644
--- a/tests/test_load_video_frames.py
+++ b/tests/test_load_video_frames.py
@@ -438,7 +438,7 @@ def test_megadetector_lite_yolox_dog(tmp_path):
         [
             "ffmpeg",
             "-r",
-            "60",
+            "30",
             "-f",
             "image2",
             "-s",
@@ -458,7 +458,9 @@ def test_megadetector_lite_yolox_dog(tmp_path):
             "-y",
         ]
     )
-    frames = load_video_frames(tmp_path / "dog.mp4", megadetector_lite_config={"confidence": 0.25})
+    frames = load_video_frames(
+        tmp_path / "dog.mp4", megadetector_lite_config=MegadetectorLiteYoloXConfig()
+    )
 
     # Check that we detected the correct number of frames
     assert len(frames) == len(object_frame_indices)