diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index c0c09c6..dc19f2b 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -44,7 +44,7 @@ jobs:
       - uses: cisagov/setup-env-github-action@develop
       - uses: actions/checkout@v2
       - id: setup-python
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v4
         with:
           python-version: 3.9
       # GO_VERSION and GOCACHE are used by the cache task, so the Go
@@ -305,7 +305,7 @@ jobs:
     steps:
       - uses: actions/checkout@v2
       - id: setup-python
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v4
         with:
           python-version: 3.9
       - name: Cache testing environments