diff --git a/.github/workflows/backup.yml b/.github/workflows/backup.yml
index 4490a3be8..d6d5daa20 100644
--- a/.github/workflows/backup.yml
+++ b/.github/workflows/backup.yml
@@ -37,7 +37,7 @@ jobs:
         fi
         
     - name: Upload backup artifacts
-      uses: actions/upload-artifact@v5
+      uses: actions/upload-artifact@v6
       with:
         name: weekly-backup-${{ github.run_number }}
         path: backups/
diff --git a/.github/workflows/build-game.yml b/.github/workflows/build-game.yml
index 010c4346a..4eff01f95 100644
--- a/.github/workflows/build-game.yml
+++ b/.github/workflows/build-game.yml
@@ -94,7 +94,7 @@ jobs:
       shell: bash
       
     - name: Upload build artifact
-      uses: actions/upload-artifact@v5
+      uses: actions/upload-artifact@v6
       with:
         name: Illusion-${{ steps.build_info.outputs.version }}
         path: build/Illusion-${{ steps.build_info.outputs.version }}.zip
diff --git a/.github/workflows/build-launcher.yml b/.github/workflows/build-launcher.yml
index 773db71d7..44e3ea5c4 100644
--- a/.github/workflows/build-launcher.yml
+++ b/.github/workflows/build-launcher.yml
@@ -54,7 +54,7 @@ jobs:
           
       - name: Upload Windows artifacts
         if: matrix.os == 'windows-latest'
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: launcher-windows
           path: |
@@ -64,7 +64,7 @@ jobs:
           
       - name: Upload macOS artifacts
         if: matrix.os == 'macos-latest'
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: launcher-macos
           path: |
diff --git a/.github/workflows/generate-docs.yml b/.github/workflows/generate-docs.yml
index 7326ea215..4f0f96f06 100644
--- a/.github/workflows/generate-docs.yml
+++ b/.github/workflows/generate-docs.yml
@@ -46,7 +46,7 @@ jobs:
         done
         
     - name: Upload Documentation
-      uses: actions/upload-artifact@v5
+      uses: actions/upload-artifact@v6
       with:
         name: documentation
         path: docs/
diff --git a/.github/workflows/launcher-build.yml b/.github/workflows/launcher-build.yml
index a30fb9ed3..b3282260f 100644
--- a/.github/workflows/launcher-build.yml
+++ b/.github/workflows/launcher-build.yml
@@ -58,7 +58,7 @@ jobs:
       
       - name: 📤 Upload Artifacts (Windows)
         if: matrix.os == 'windows-latest'
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: Illusion-Launcher-Windows
           path: launcher-electron/dist/*.exe
@@ -66,7 +66,7 @@ jobs:
       
       - name: 📤 Upload Artifacts (macOS)
         if: matrix.os == 'macos-latest'
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: Illusion-Launcher-macOS
           path: launcher-electron/dist/*.dmg
@@ -74,7 +74,7 @@ jobs:
       
       - name: 📤 Upload Artifacts (Linux)
         if: matrix.os == 'ubuntu-latest'
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: Illusion-Launcher-Linux
           path: launcher-electron/dist/*.AppImage
diff --git a/.github/workflows/launcher-ci.yml b/.github/workflows/launcher-ci.yml
index f381958ab..6ff4d3713 100644
--- a/.github/workflows/launcher-ci.yml
+++ b/.github/workflows/launcher-ci.yml
@@ -51,7 +51,7 @@ jobs:
         GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
     
     - name: Upload build artifacts
-      uses: actions/upload-artifact@v5
+      uses: actions/upload-artifact@v6
       with:
         name: launcher-build-${{ matrix.os }}
         path: |
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 2304d35a9..4d91f7cbc 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -120,7 +120,7 @@ jobs:
       
       - name: Upload Artifact (if manual run)
         if: steps.release.outputs.is_manual == 'true'
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: pokemon-illusion-${{ steps.release.outputs.tag }}
           path: ${{ env.ZIP_FILE }}
diff --git a/.github/workflows/ruby-lint.yml b/.github/workflows/ruby-lint.yml
index 0eaef305d..59c987d0f 100644
--- a/.github/workflows/ruby-lint.yml
+++ b/.github/workflows/ruby-lint.yml
@@ -34,7 +34,7 @@ jobs:
       run: rubocop --format progress --format json --out rubocop-results.json || true
       
     - name: Upload RuboCop results
-      uses: actions/upload-artifact@v5
+      uses: actions/upload-artifact@v6
       if: always()
       with:
         name: rubocop-results