diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index d17bb1c..d15b061 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -60,6 +60,8 @@ jobs:
     - uses: extractions/setup-just@v2
       env:
         GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+    - name: Set up FFMPEG
+      uses: FedericoCarboni/setup-ffmpeg@v3
     - name: Install Dependencies
       run: |
         python -m pip install --upgrade pip
diff --git a/bioio_imageio/reader_metadata.py b/bioio_imageio/reader_metadata.py
index 8959167..bca2e80 100644
--- a/bioio_imageio/reader_metadata.py
+++ b/bioio_imageio/reader_metadata.py
@@ -77,7 +77,8 @@ def get_supported_extensions() -> List[str]:
             "mpo",
             "msp",
             "pdf",
-            "png" "ppm",
+            "png",
+            "ppm",
             "ps",
             "zif",
         ]
diff --git a/bioio_imageio/tests/test_reader.py b/bioio_imageio/tests/test_reader.py
index 322ee82..ced9c9b 100644
--- a/bioio_imageio/tests/test_reader.py
+++ b/bioio_imageio/tests/test_reader.py
@@ -15,10 +15,10 @@
 @pytest.mark.parametrize(
     "filename, set_scene, expected_shape, expected_dims_order",
     [
-        ("example.bmp", "Image:0", (480, 640, 4), "YXS"),
+        ("example.bmp", "Image:0", (480, 640, 3), "YXS"),
         ("example.png", "Image:0", (800, 537, 4), "YXS"),
         ("example.jpg", "Image:0", (452, 400, 3), "YXS"),
-        ("example.gif", "Image:0", (72, 268, 268, 4), "TYXS"),
+        ("example.gif", "Image:0", (72, 268, 268, 3), "TYXS"),
         (
             "example_invalid_frame_count.mp4",
             "Image:0",
diff --git a/pyproject.toml b/pyproject.toml
index cf1321b..b1b0d0a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -30,7 +30,7 @@ dependencies = [
   "bioio-base>=0.3.0",
   "dask[array]>=2021.4.1",
   "fsspec>=2022.8.0",
-  "imageio[ffmpeg]>=2.11.0,<2.28.0",
+  "imageio[ffmpeg]>=2.31.0",
   "numpy>=1.21.0",
   "Pillow>=9.3.0",
   "xarray>=2022.6.0",