diff --git a/Makefile b/Makefile
index 2102b78b..0caa6830 100644
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,4 @@
-PROTO_VERSION=v0.6.1
+PROTO_VERSION=v0.7.0
 PROTO_URL=https://github.com/nspcc-dev/neofs-api/archive/$(PROTO_VERSION).tar.gz
 
 B=\033[0;1m
diff --git a/docs/object.md b/docs/object.md
index ce9252bc..4ec32fc6 100644
--- a/docs/object.md
+++ b/docs/object.md
@@ -297,6 +297,7 @@ in distributed system.
 | ----- | ---- | ----- | ----------- |
 | Object | [Object](#object.Object) |  | Object with at least container id and owner id fields |
 | Token | [session.Token](#session.Token) |  | Token with session public key and user's signature |
+| CopiesNumber | [uint32](#uint32) |  | Number of the object copies to store within the RPC call (zero is processed according to the placement rules) |
 
 
 <a name="object.PutResponse"></a>
diff --git a/object/service.pb.go b/object/service.pb.go
index 8502c8e3..4ac61bc6 100644
Binary files a/object/service.pb.go and b/object/service.pb.go differ
diff --git a/object/service.proto b/object/service.proto
index 2aa21fd7..b5042e23 100644
--- a/object/service.proto
+++ b/object/service.proto
@@ -84,6 +84,8 @@ message PutRequest {
         Object Object       = 1;
         // Token with session public key and user's signature
         session.Token Token = 2;
+        // Number of the object copies to store within the RPC call (zero is processed according to the placement rules)
+        uint32 CopiesNumber = 3;
     }
 
     oneof R {