diff --git a/.github/workflows/pytest-builds.yml b/.github/workflows/pytest-builds.yml
index 298c0dd..587f19c 100644
--- a/.github/workflows/pytest-builds.yml
+++ b/.github/workflows/pytest-builds.yml
@@ -15,10 +15,10 @@ jobs:
         python-version: ['3.8', '3.9', '3.10', '3.11', '3.12']
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
 
     - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v2
+      uses: actions/setup-python@v4
       with:
         python-version: ${{ matrix.python-version }}
 
diff --git a/pyproject.toml b/pyproject.toml
index e05cfe9..f039746 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -22,7 +22,7 @@ classifiers=[
 "Topic :: Scientific/Engineering :: Medical Science Apps.",
 "Topic :: Software Development :: Libraries",
 ]
-dependencies = ["numpy", "typing_extension"]
+dependencies = ["numpy"]
 description = """\
     A Python framework for decoding JPEG and decoding/encoding DICOM\
     RLE data, with a focus on supporting pydicom\