diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 926a9e1..4b0671e 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -46,7 +46,7 @@ jobs:
             -s astar -H lmcut | tee /tmp/plan.txt
           grep -q "Valid: True" /tmp/plan.txt
 
-      - uses: actions/upload-artifact@v4
+      - uses: actions/upload-artifact@v7
         with:
           name: distributions
           path: dist/
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index d2a9297..dbeb8db 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -138,7 +138,7 @@ jobs:
           PY
           cat release-notes.md
 
-      - uses: actions/upload-artifact@v4
+      - uses: actions/upload-artifact@v7
         with:
           name: distributions
           path: |
@@ -158,7 +158,7 @@ jobs:
     permissions:
       id-token: write  # mint the OIDC token PyPI verifies; no secrets involved
     steps:
-      - uses: actions/download-artifact@v4
+      - uses: actions/download-artifact@v8
         with:
           name: distributions
 
@@ -185,7 +185,7 @@ jobs:
     permissions:
       contents: write  # create the tag, the release, and attach the artifacts
     steps:
-      - uses: actions/download-artifact@v4
+      - uses: actions/download-artifact@v8
         with:
           name: distributions