diff --git a/proto-docs/refs.md b/proto-docs/refs.md
index 5947f70..06470a2 100644
--- a/proto-docs/refs.md
+++ b/proto-docs/refs.md
@@ -7,6 +7,7 @@
 
   - Messages
     - [Address](#refs.Address)
+    - [ContainerID](#refs.ContainerID)
     - [ObjectID](#refs.ObjectID)
     
 
@@ -35,6 +36,17 @@ Address of object (container id + object id)
 | CID | [bytes](#bytes) |  | CID is container identifier |
 
 
+<a name="refs.ContainerID"></a>
+
+### Message ContainerID
+ContainerID groups information about the NeoFS container identifier.
+
+
+| Field | Type | Label | Description |
+| ----- | ---- | ----- | ----------- |
+| Value | [bytes](#bytes) |  | Value carries the container identifier in a binary format. |
+
+
 <a name="refs.ObjectID"></a>
 
 ### Message ObjectID
diff --git a/refs/types.proto b/refs/types.proto
index 45e28a5..3f5c11a 100644
--- a/refs/types.proto
+++ b/refs/types.proto
@@ -22,4 +22,10 @@ message Address {
 message ObjectID {
     // Value carries the object identifier in a binary format.
     bytes Value = 1;
-}
\ No newline at end of file
+}
+
+// ContainerID groups information about the NeoFS container identifier.
+message ContainerID {
+    // Value carries the container identifier in a binary format.
+    bytes Value = 1;
+}