diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index f1dfa56..32f6167 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -72,7 +72,7 @@ jobs:
 
       - name: Upload feature-contract diagnostics
         if: failure() && matrix.node-version == 22
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v7
         with:
           name: feature-contract-node-22
           path: feature-contract.log
diff --git a/.github/workflows/cross-platform.yml b/.github/workflows/cross-platform.yml
index a1b4eb6..be96b43 100644
--- a/.github/workflows/cross-platform.yml
+++ b/.github/workflows/cross-platform.yml
@@ -51,7 +51,7 @@ jobs:
           exit "$status"
       - name: Upload runtime-test diagnostics
         if: failure()
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v7
         with:
           name: runtime-test-${{ matrix.os }}-node-${{ matrix.node-version }}
           path: runtime-test.log
@@ -65,7 +65,7 @@ jobs:
           exit "$status"
       - name: Upload plugin-integration diagnostics
         if: failure()
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v7
         with:
           name: plugin-integration-${{ matrix.os }}-node-${{ matrix.node-version }}
           path: plugin-integration.log
diff --git a/.github/workflows/opencode-patch-compat.yml b/.github/workflows/opencode-patch-compat.yml
index 583ae26..0478e6e 100644
--- a/.github/workflows/opencode-patch-compat.yml
+++ b/.github/workflows/opencode-patch-compat.yml
@@ -88,7 +88,7 @@ jobs:
 
       - name: Upload compatibility evidence
         if: always()
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v7
         with:
           name: opencode-supported-compatibility
           path: |
@@ -134,7 +134,7 @@ jobs:
           cat opencode-dev-patch-check.txt >> opencode-dev-probe.txt
       - name: Upload upstream probe evidence
         if: always()
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v7
         with:
           name: opencode-dev-probe
           path: opencode-dev-probe.txt