diff --git a/.github/workflows/checks.yml b/.github/workflows/checks.yml
index 1df795d94..1bfd03485 100644
--- a/.github/workflows/checks.yml
+++ b/.github/workflows/checks.yml
@@ -62,10 +62,16 @@ jobs:
         with:
           node-version: '22'
 
+      - name: Set up uv
+        uses: astral-sh/setup-uv@07a047e608db84b3d8c06cd9a7c7dcc9c355c18e # v10.3.2
+        with:
+          version: '0.13.4'
+          enable-cache: false
+
       # Third-party directories import the published v2 spec, so it must pass
       # strict validation, not only Mintlify's lenient parser.
       - name: Validate the v2 spec with openapi-spec-validator
-        run: pipx run --spec openapi-spec-validator==0.9.0 openapi-spec-validator api-reference/v2-openapi.json
+        run: uvx --from openapi-spec-validator==0.9.0 openapi-spec-validator api-reference/v2-openapi.json
 
       - name: Lint the v2 spec with Redocly
         run: npx --yes @redocly/cli@2.66.0 lint api-reference/v2-openapi.json