diff --git a/.github/workflows/ci-benchmarks.yml b/.github/workflows/ci-benchmarks.yml
index e1a16ffc..5f6cd4fc 100644
--- a/.github/workflows/ci-benchmarks.yml
+++ b/.github/workflows/ci-benchmarks.yml
@@ -173,7 +173,7 @@ jobs:
 
       # Upload raw benchmark results as artifact for debugging
       - name: Upload benchmark results
-        uses: actions/upload-artifact@v6
+        uses: actions/upload-artifact@v7
         with:
           name: benchmark-results
           path: benchmark-results.txt
diff --git a/.github/workflows/ci-coverage.yml b/.github/workflows/ci-coverage.yml
index cd8e9c3d..a5dca698 100644
--- a/.github/workflows/ci-coverage.yml
+++ b/.github/workflows/ci-coverage.yml
@@ -67,7 +67,7 @@ jobs:
         run: cargo tarpaulin --out Xml --exclude-files 'tests/network/multi_process.rs' -- --skip multi_process
 
       - name: Upload coverage report
-        uses: actions/upload-artifact@v6
+        uses: actions/upload-artifact@v7
         with:
           name: coverage-xml
           path: cobertura.xml
diff --git a/.github/workflows/ci-docs.yml b/.github/workflows/ci-docs.yml
index 311b50ff..392d676d 100644
--- a/.github/workflows/ci-docs.yml
+++ b/.github/workflows/ci-docs.yml
@@ -146,7 +146,7 @@ jobs:
           fi
 
       - name: Upload Vale report
-        uses: actions/upload-artifact@v6
+        uses: actions/upload-artifact@v7
         if: always()
         with:
           name: vale-report
@@ -255,7 +255,7 @@ jobs:
           fi
 
       - name: Upload code fence report
-        uses: actions/upload-artifact@v6
+        uses: actions/upload-artifact@v7
         if: always()
         with:
           name: code-fence-report
@@ -328,7 +328,7 @@ jobs:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Upload lychee report
-        uses: actions/upload-artifact@v6
+        uses: actions/upload-artifact@v7
         if: always()
         with:
           name: lychee-report
@@ -435,7 +435,7 @@ jobs:
           fi
 
       - name: Upload deadlinks report
-        uses: actions/upload-artifact@v6
+        uses: actions/upload-artifact@v7
         if: always()
         with:
           name: deadlinks-report
@@ -491,7 +491,7 @@ jobs:
           fi
 
       - name: Upload doctest report
-        uses: actions/upload-artifact@v6
+        uses: actions/upload-artifact@v7
         if: always()
         with:
           name: doctest-report
@@ -545,7 +545,7 @@ jobs:
         continue-on-error: true  # Nightly features may break, don't fail CI
 
       - name: Upload coverage report
-        uses: actions/upload-artifact@v6
+        uses: actions/upload-artifact@v7
         if: always()
         with:
           name: doc-coverage-report
@@ -600,7 +600,7 @@ jobs:
           fi
 
       - name: Upload verification report
-        uses: actions/upload-artifact@v6
+        uses: actions/upload-artifact@v7
         if: always()
         with:
           name: markdown-code-report
diff --git a/.github/workflows/ci-mutation.yml b/.github/workflows/ci-mutation.yml
index d3572ac8..b3aca1bb 100644
--- a/.github/workflows/ci-mutation.yml
+++ b/.github/workflows/ci-mutation.yml
@@ -226,7 +226,7 @@ jobs:
         shell: bash
 
       - name: Upload mutation report
-        uses: actions/upload-artifact@v6
+        uses: actions/upload-artifact@v7
         if: always()
         with:
           name: mutation-report-${{ matrix.os }}
@@ -236,7 +236,7 @@ jobs:
           retention-days: 30
 
       - name: Upload missed mutations
-        uses: actions/upload-artifact@v6
+        uses: actions/upload-artifact@v7
         if: always()
         with:
           name: missed-mutations-${{ matrix.os }}
diff --git a/.github/workflows/ci-network.yml b/.github/workflows/ci-network.yml
index a0f49359..6998fded 100644
--- a/.github/workflows/ci-network.yml
+++ b/.github/workflows/ci-network.yml
@@ -136,7 +136,7 @@ jobs:
 
       - name: Upload test results
         if: always()
-        uses: actions/upload-artifact@v6
+        uses: actions/upload-artifact@v7
         with:
           name: docker-network-test-results
           path: test-results/
diff --git a/.github/workflows/ci-quality.yml b/.github/workflows/ci-quality.yml
index 05bd2740..3fd9407f 100644
--- a/.github/workflows/ci-quality.yml
+++ b/.github/workflows/ci-quality.yml
@@ -105,7 +105,7 @@ jobs:
         continue-on-error: true
 
       - name: Upload shear report
-        uses: actions/upload-artifact@v6
+        uses: actions/upload-artifact@v7
         if: always()
         with:
           name: shear-report
@@ -167,7 +167,7 @@ jobs:
         continue-on-error: true
 
       - name: Upload spellcheck report
-        uses: actions/upload-artifact@v6
+        uses: actions/upload-artifact@v7
         if: always()
         with:
           name: spellcheck-report
diff --git a/.github/workflows/ci-safety.yml b/.github/workflows/ci-safety.yml
index b76d74a0..71e9a6a9 100644
--- a/.github/workflows/ci-safety.yml
+++ b/.github/workflows/ci-safety.yml
@@ -95,7 +95,7 @@ jobs:
           fi
 
       - name: Upload careful report
-        uses: actions/upload-artifact@v6
+        uses: actions/upload-artifact@v7
         if: always()
         with:
           name: careful-report
@@ -170,7 +170,7 @@ jobs:
           RUSTFLAGS: ${{ matrix.rustflags }}
 
       - name: Upload build report
-        uses: actions/upload-artifact@v6
+        uses: actions/upload-artifact@v7
         if: always()
         with:
           name: strict-build-${{ matrix.check }}-report
@@ -269,7 +269,7 @@ jobs:
           echo "✅ Strict clippy (nursery) passed" >> "$GITHUB_STEP_SUMMARY"
 
       - name: Upload clippy report
-        uses: actions/upload-artifact@v6
+        uses: actions/upload-artifact@v7
         if: always()
         with:
           name: strict-clippy-nursery-report
@@ -410,7 +410,7 @@ jobs:
           fi
 
       - name: Upload documentation report
-        uses: actions/upload-artifact@v6
+        uses: actions/upload-artifact@v7
         if: always()
         with:
           name: doc-report
@@ -500,7 +500,7 @@ jobs:
           fi
 
       - name: Upload clippy report
-        uses: actions/upload-artifact@v6
+        uses: actions/upload-artifact@v7
         if: always()
         with:
           name: no-panics-clippy-report