diff --git a/app/lightning/impl/cln_grpc.py b/app/lightning/impl/cln_grpc.py
index 7102414..72dcbd0 100644
--- a/app/lightning/impl/cln_grpc.py
+++ b/app/lightning/impl/cln_grpc.py
@@ -128,7 +128,10 @@ class LnNodeCLNgRPC(LightningNodeBase):
             certificate_chain=cln_grpc_cert,
         )
 
-        opts = (("grpc.ssl_target_name_override", "cln"),)
+        opts = (
+            ("grpc.ssl_target_name_override", "cln"),
+            ("grpc.max_receive_message_length", 1024 * 1024 * 10),
+        )
 
         while not self._initialized:
             logger.debug("CLN_GRPC: iterating ...")
diff --git a/app/lightning/impl/lnd_grpc.py b/app/lightning/impl/lnd_grpc.py
index d893f87..2b3103d 100644
--- a/app/lightning/impl/lnd_grpc.py
+++ b/app/lightning/impl/lnd_grpc.py
@@ -83,8 +83,12 @@ This will show more debug information.
             logging.warning("LND_GRPC: gRPC channel already created.")
             return
 
+        opts = [("grpc.max_receive_message_length", 1024 * 1024 * 10)]
+
         self._channel = grpc.aio.secure_channel(
-            self._lnd_grpc_url, self._combined_creds
+            self._lnd_grpc_url,
+            self._combined_creds,
+            options=opts,
         )
         self._lnd_stub = lnrpc.LightningStub(self._channel)
         self._router_stub = routerrpc.RouterStub(self._channel)