diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index eb510f03..f5562820 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -12,11 +12,11 @@ jobs:
     steps:
      # Checkout the repo.
      - name: Checkout Python Fire repository
-       uses: actions/checkout@v3
+       uses: actions/checkout@v4
 
      # Set up Python environment.
      - name: Set up Python ${{ matrix.python-version }}
-       uses: actions/setup-python@v4
+       uses: actions/setup-python@v5
        with:
          python-version: ${{ matrix.python-version }}