diff --git a/.github/workflows/build-test.yml b/.github/workflows/build-test.yml
index acb309172..cd0085adb 100644
--- a/.github/workflows/build-test.yml
+++ b/.github/workflows/build-test.yml
@@ -90,7 +90,7 @@ jobs:
           python-version: ${{ matrix.python-version }}
           allow-prereleases: true
 
-      - uses: astral-sh/setup-uv@v3
+      - uses: astral-sh/setup-uv@v4
 
       - name: Pip install the package
         run: uv pip install --system .[test,dev]
diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index b5625cec2..6e412c935 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -36,7 +36,7 @@ jobs:
         run: ls -lha dist/
 
       - name: Generate artifact attestation for sdist and wheel
-        uses: actions/attest-build-provenance@ef244123eb79f2f7a7e75d99086184180e6d0018 # v1.4.4
+        uses: actions/attest-build-provenance@7668571508540a607bdfd90a87a560489fe372eb # v2.1.0
         with:
           subject-path: dist/uproot-*