diff --git a/accounting/service.pb.go b/accounting/service.pb.go
index 4e1127bf..5b485cea 100644
Binary files a/accounting/service.pb.go and b/accounting/service.pb.go differ
diff --git a/accounting/service.proto b/accounting/service.proto
index c3201068..12fca586 100644
--- a/accounting/service.proto
+++ b/accounting/service.proto
@@ -1,6 +1,7 @@
 syntax = "proto3";
 package accounting;
 option go_package = "github.com/nspcc-dev/neofs-api/accounting";
+option csharp_namespace = "NeoFS.API.Accounting";
 
 import "service/meta.proto";
 import "service/verify.proto";
diff --git a/accounting/types.pb.go b/accounting/types.pb.go
index f4203553..af22ec8b 100644
Binary files a/accounting/types.pb.go and b/accounting/types.pb.go differ
diff --git a/accounting/types.proto b/accounting/types.proto
index 1af83c12..1c0cd570 100644
--- a/accounting/types.proto
+++ b/accounting/types.proto
@@ -1,6 +1,7 @@
 syntax = "proto3";
 package accounting;
 option go_package = "github.com/nspcc-dev/neofs-api/accounting";
+option csharp_namespace = "NeoFS.API.Accounting";
 
 import "decimal/decimal.proto";
 import "github.com/gogo/protobuf/gogoproto/gogo.proto";
diff --git a/accounting/withdraw.pb.go b/accounting/withdraw.pb.go
index 0e299e72..d8a8eebb 100644
Binary files a/accounting/withdraw.pb.go and b/accounting/withdraw.pb.go differ
diff --git a/accounting/withdraw.proto b/accounting/withdraw.proto
index 85000b94..ee23b5d4 100644
--- a/accounting/withdraw.proto
+++ b/accounting/withdraw.proto
@@ -1,6 +1,7 @@
 syntax = "proto3";
 package accounting;
 option go_package = "github.com/nspcc-dev/neofs-api/accounting";
+option csharp_namespace = "NeoFS.API.Accounting";
 
 import "service/meta.proto";
 import "service/verify.proto";
diff --git a/bootstrap/service.pb.go b/bootstrap/service.pb.go
index 163ff9b1..fadb4648 100644
Binary files a/bootstrap/service.pb.go and b/bootstrap/service.pb.go differ
diff --git a/bootstrap/service.proto b/bootstrap/service.proto
index fa0248c4..db43bf6e 100644
--- a/bootstrap/service.proto
+++ b/bootstrap/service.proto
@@ -1,6 +1,7 @@
 syntax = "proto3";
 package bootstrap;
 option go_package = "github.com/nspcc-dev/neofs-api/bootstrap";
+option csharp_namespace = "NeoFS.API.Bootstrap";
 
 import "service/meta.proto";
 import "service/verify.proto";
diff --git a/bootstrap/types.pb.go b/bootstrap/types.pb.go
index 83af13d5..db83671e 100644
Binary files a/bootstrap/types.pb.go and b/bootstrap/types.pb.go differ
diff --git a/bootstrap/types.proto b/bootstrap/types.proto
index 02da9ad4..cbce3792 100644
--- a/bootstrap/types.proto
+++ b/bootstrap/types.proto
@@ -1,10 +1,11 @@
 syntax = "proto3";
 package bootstrap;
 option go_package = "github.com/nspcc-dev/neofs-api/bootstrap";
+option csharp_namespace = "NeoFS.API.Bootstrap";
 
 import "github.com/gogo/protobuf/gogoproto/gogo.proto";
 
-option (gogoproto.stable_marshaler_all) = true;;
+option (gogoproto.stable_marshaler_all) = true;
 
 option (gogoproto.stringer_all) =  false;
 option (gogoproto.goproto_stringer_all) = false;
diff --git a/container/service.pb.go b/container/service.pb.go
index e202a7cd..b8871215 100644
Binary files a/container/service.pb.go and b/container/service.pb.go differ
diff --git a/container/service.proto b/container/service.proto
index 4576197a..b287a226 100644
--- a/container/service.proto
+++ b/container/service.proto
@@ -1,6 +1,7 @@
 syntax = "proto3";
 package container;
 option go_package = "github.com/nspcc-dev/neofs-api/container";
+option csharp_namespace = "NeoFS.API.Container";
 
 import "service/meta.proto";
 import "service/verify.proto";
diff --git a/container/types.pb.go b/container/types.pb.go
index fb22b139..cc0f736b 100644
Binary files a/container/types.pb.go and b/container/types.pb.go differ
diff --git a/container/types.proto b/container/types.proto
index e53587e2..775d84c3 100644
--- a/container/types.proto
+++ b/container/types.proto
@@ -1,6 +1,7 @@
 syntax = "proto3";
 package container;
 option go_package = "github.com/nspcc-dev/neofs-api/container";
+option csharp_namespace = "NeoFS.API.Container";
 
 import "github.com/nspcc-dev/netmap/selector.proto";
 import "github.com/gogo/protobuf/gogoproto/gogo.proto";
diff --git a/decimal/decimal.pb.go b/decimal/decimal.pb.go
index c0726a48..60c01535 100644
Binary files a/decimal/decimal.pb.go and b/decimal/decimal.pb.go differ
diff --git a/decimal/decimal.proto b/decimal/decimal.proto
index e0e16d56..d21ce1be 100644
--- a/decimal/decimal.proto
+++ b/decimal/decimal.proto
@@ -1,6 +1,7 @@
 syntax = "proto3";
 package decimal;
 option go_package = "github.com/nspcc-dev/neofs-api/decimal";
+option csharp_namespace = "NeoFS.API.Decimal";
 
 import "github.com/gogo/protobuf/gogoproto/gogo.proto";
 
diff --git a/object/service.pb.go b/object/service.pb.go
index 10fbe51d..1ecf6d9b 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 662bf8a9..f208472c 100644
--- a/object/service.proto
+++ b/object/service.proto
@@ -1,6 +1,7 @@
 syntax = "proto3";
 package object;
 option go_package = "github.com/nspcc-dev/neofs-api/object";
+option csharp_namespace = "NeoFS.API.Object";
 
 import "refs/types.proto";
 import "object/types.proto";
diff --git a/object/types.pb.go b/object/types.pb.go
index 2be08c96..53be938d 100644
Binary files a/object/types.pb.go and b/object/types.pb.go differ
diff --git a/object/types.proto b/object/types.proto
index 5a0b98e2..3abe725f 100644
--- a/object/types.proto
+++ b/object/types.proto
@@ -1,6 +1,7 @@
 syntax = "proto3";
 package object;
 option go_package = "github.com/nspcc-dev/neofs-api/object";
+option csharp_namespace = "NeoFS.API.Object";
 
 import "refs/types.proto";
 import "session/types.proto";
diff --git a/query/types.pb.go b/query/types.pb.go
index 63e98792..ed20942f 100644
Binary files a/query/types.pb.go and b/query/types.pb.go differ
diff --git a/query/types.proto b/query/types.proto
index 90f4bbf1..0d35154b 100644
--- a/query/types.proto
+++ b/query/types.proto
@@ -1,6 +1,7 @@
 syntax = "proto3";
 package query;
 option go_package = "github.com/nspcc-dev/neofs-api/query";
+option csharp_namespace = "NeoFS.API.Query";
 
 import "github.com/gogo/protobuf/gogoproto/gogo.proto";
 
diff --git a/refs/types.pb.go b/refs/types.pb.go
index 80dcde29..e4d6a65d 100644
Binary files a/refs/types.pb.go and b/refs/types.pb.go differ
diff --git a/refs/types.proto b/refs/types.proto
index c526d56a..d552d6cd 100644
--- a/refs/types.proto
+++ b/refs/types.proto
@@ -1,6 +1,7 @@
 syntax = "proto3";
 package refs;
 option go_package = "github.com/nspcc-dev/neofs-api/refs";
+option csharp_namespace = "NeoFS.API.Refs";
 
 import "github.com/gogo/protobuf/gogoproto/gogo.proto";
 
diff --git a/service/meta.pb.go b/service/meta.pb.go
index 6ff1a5da..9b2f430e 100644
Binary files a/service/meta.pb.go and b/service/meta.pb.go differ
diff --git a/service/meta.proto b/service/meta.proto
index f2cfe8f1..5ca3633d 100644
--- a/service/meta.proto
+++ b/service/meta.proto
@@ -1,6 +1,7 @@
 syntax = "proto3";
 package service;
 option go_package = "github.com/nspcc-dev/neofs-api/service";
+option csharp_namespace = "NeoFS.API.Service";
 
 import "github.com/gogo/protobuf/gogoproto/gogo.proto";
 
diff --git a/service/verify.pb.go b/service/verify.pb.go
index a8f0ea52..c7a2435b 100644
Binary files a/service/verify.pb.go and b/service/verify.pb.go differ
diff --git a/service/verify.proto b/service/verify.proto
index 6a4a0e08..d241d88c 100644
--- a/service/verify.proto
+++ b/service/verify.proto
@@ -1,6 +1,7 @@
 syntax = "proto3";
 package service;
 option go_package = "github.com/nspcc-dev/neofs-api/service";
+option csharp_namespace = "NeoFS.API.Service";
 
 import "github.com/gogo/protobuf/gogoproto/gogo.proto";
 
diff --git a/session/service.pb.go b/session/service.pb.go
index e554ba1d..f0032164 100644
Binary files a/session/service.pb.go and b/session/service.pb.go differ
diff --git a/session/service.proto b/session/service.proto
index 95ea9c59..2c96a3ed 100644
--- a/session/service.proto
+++ b/session/service.proto
@@ -1,6 +1,7 @@
 syntax = "proto3";
 package session;
 option go_package = "github.com/nspcc-dev/neofs-api/session";
+option csharp_namespace = "NeoFS.API.Session";
 
 import "session/types.proto";
 import "service/meta.proto";
diff --git a/session/types.pb.go b/session/types.pb.go
index e27f0c68..81e3a862 100644
Binary files a/session/types.pb.go and b/session/types.pb.go differ
diff --git a/session/types.proto b/session/types.proto
index 79b24ff5..0cf15839 100644
--- a/session/types.proto
+++ b/session/types.proto
@@ -1,6 +1,7 @@
 syntax = "proto3";
 package session;
 option go_package = "github.com/nspcc-dev/neofs-api/session";
+option csharp_namespace = "NeoFS.API.Session";
 
 import "github.com/gogo/protobuf/gogoproto/gogo.proto";
 
diff --git a/state/service.pb.go b/state/service.pb.go
index 62f5f4e0..f1e08dee 100644
Binary files a/state/service.pb.go and b/state/service.pb.go differ
diff --git a/state/service.proto b/state/service.proto
index 7966d43b..312d465c 100644
--- a/state/service.proto
+++ b/state/service.proto
@@ -1,6 +1,7 @@
 syntax = "proto3";
 package state;
 option go_package = "github.com/nspcc-dev/neofs-api/state";
+option csharp_namespace = "NeoFS.API.State";
 
 import "service/meta.proto";
 import "service/verify.proto";
diff --git a/storagegroup/types.pb.go b/storagegroup/types.pb.go
index aae646a5..46f736dc 100644
Binary files a/storagegroup/types.pb.go and b/storagegroup/types.pb.go differ
diff --git a/storagegroup/types.proto b/storagegroup/types.proto
index 238b4548..41a211fa 100644
--- a/storagegroup/types.proto
+++ b/storagegroup/types.proto
@@ -1,6 +1,7 @@
 syntax = "proto3";
 package storagegroup;
 option go_package = "github.com/nspcc-dev/neofs-api/storagegroup";
+option csharp_namespace = "NeoFS.API.StorageGroup";
 
 import "github.com/gogo/protobuf/gogoproto/gogo.proto";