diff --git a/apps/blockchain-node/pyproject.toml b/apps/blockchain-node/pyproject.toml
index 455cbf34..1022f22a 100644
--- a/apps/blockchain-node/pyproject.toml
+++ b/apps/blockchain-node/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "aitbc-blockchain-node"
-version = "0.1.0"
+version = "v0.2.2"
 description = "AITBC blockchain node service"
 authors = ["AITBC Team"]
 packages = [
diff --git a/apps/blockchain-node/scripts/mock_coordinator.py b/apps/blockchain-node/scripts/mock_coordinator.py
index 371e6428..d724066f 100755
--- a/apps/blockchain-node/scripts/mock_coordinator.py
+++ b/apps/blockchain-node/scripts/mock_coordinator.py
@@ -14,7 +14,7 @@ from fastapi.responses import PlainTextResponse
 
 from aitbc_chain.metrics import metrics_registry
 
-app = FastAPI(title="Mock Coordinator API", version="0.1.0")
+app = FastAPI(title="Mock Coordinator API", version="v0.2.2")
 
 SIMULATED_MINERS: List[str] = ["miner-alpha", "miner-beta", "miner-gamma"]
 SIMULATED_CLIENTS: List[str] = ["client-labs", "client-trading", "client-research"]
diff --git a/apps/blockchain-node/src/aitbc_chain/app.py b/apps/blockchain-node/src/aitbc_chain/app.py
index 503dc7c3..e8a87706 100755
--- a/apps/blockchain-node/src/aitbc_chain/app.py
+++ b/apps/blockchain-node/src/aitbc_chain/app.py
@@ -108,7 +108,7 @@ async def lifespan(app: FastAPI):
 
 
 def create_app() -> FastAPI:
-    app = FastAPI(title="AITBC Blockchain Node", version="0.1.0", lifespan=lifespan)
+    app = FastAPI(title="AITBC Blockchain Node", version="v0.2.2", lifespan=lifespan)
 
     # Middleware (applied in reverse order)
     app.add_middleware(RequestLoggingMiddleware)
diff --git a/apps/blockchain-node/src/aitbc_chain/rpc/router.py b/apps/blockchain-node/src/aitbc_chain/rpc/router.py
index b87220c5..cdccb11d 100755
--- a/apps/blockchain-node/src/aitbc_chain/rpc/router.py
+++ b/apps/blockchain-node/src/aitbc_chain/rpc/router.py
@@ -661,7 +661,7 @@ async def get_blockchain_info(chain_id: str = None) -> Dict[str, Any]:
             "genesis_params": genesis_params,
             "proposer_id": cfg.proposer_id,
             "supported_chains": [c.strip() for c in cfg.supported_chains.split(",") if c.strip()],
-            "rpc_version": "0.1.0"
+            "rpc_version": "v0.2.2"
         }
         
         metrics_registry.observe("rpc_info_duration_seconds", time.perf_counter() - start)