diff --git a/.gitea/workflows/build.yaml b/.gitea/workflows/build.yaml
index af0bd17..52ee66e 100644
--- a/.gitea/workflows/build.yaml
+++ b/.gitea/workflows/build.yaml
@@ -22,16 +22,17 @@ jobs:
           key: Library-${{ matrix.targetPlatform }}
           restore-keys: Library-
 
-      - name: Build Project
-        uses: game-ci/unity-builder@v3
+- name: Build Project
+        uses: game-ci/unity-builder@v4 # v3에서 v4로 올림 (유니티 6 대응)
         env:
           UNITY_LICENSE: ${{ secrets.UNITY_LICENSE }}
           UNITY_EMAIL: ${{ secrets.UNITY_EMAIL }}
           UNITY_PASSWORD: ${{ secrets.UNITY_PASSWORD }}
         with:
           targetPlatform: ${{ matrix.targetPlatform }}
-          unityVersion: 6000.2.15f1
+          versioning: Semantic # 버전을 자동으로 계산하게 함 (Check)
           buildName: MyGame-${{ matrix.targetPlatform }}
+          allowDirtyBuild: true # 버전 문자열에 이상한 게 섞여도 강행! (핵심)
 
       - name: Upload Artifact
         uses: actions/upload-artifact@v4