diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 91df250..4df40ec 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -94,7 +94,7 @@ jobs:
 
       - name: Upload Artifacts (Windows)
         if: runner.os == 'Windows'
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v7
         with:
           name: Unity-Generator-${{ matrix.os }}
           path: |
@@ -103,7 +103,7 @@ jobs:
 
       - name: Upload Artifacts (Linux)
         if: runner.os == 'Linux'
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v7
         with:
           name: Unity-Generator-${{ matrix.os }}
           path: |
@@ -112,7 +112,7 @@ jobs:
 
       - name: Upload Artifacts (macOS)
         if: runner.os == 'macOS'
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v7
         with:
           name: Unity-Generator-${{ matrix.os }}
           path: |
@@ -121,7 +121,7 @@ jobs:
 
       - name: Upload SK Integration Docs
         if: runner.os == 'Windows'
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v7
         with:
           name: SK-Integration-Docs
           path: docs/UNITY_MCP_SK_*