diff --git a/src/frostfs_testlib/cli/frostfs_cli/object.py b/src/frostfs_testlib/cli/frostfs_cli/object.py
index 1c1d0acd..89159147 100644
--- a/src/frostfs_testlib/cli/frostfs_cli/object.py
+++ b/src/frostfs_testlib/cli/frostfs_cli/object.py
@@ -224,6 +224,7 @@ class FrostfsCliObject(CliCommand):
         address: Optional[str] = None,
         attributes: Optional[dict] = None,
         bearer: Optional[str] = None,
+        copies_number: Optional[int] = None,
         disable_filename: bool = False,
         disable_timestamp: bool = False,
         expire_at: Optional[int] = None,
@@ -241,6 +242,7 @@ class FrostfsCliObject(CliCommand):
             address: Address of wallet account.
             attributes: User attributes in form of Key1=Value1,Key2=Value2.
             bearer: File with signed JSON or binary encoded bearer token.
+            copies_number: Number of copies of the object to store within the RPC call.
             cid: Container ID.
             disable_filename: Do not set well-known filename attribute.
             disable_timestamp: Do not set well-known timestamp attribute.
diff --git a/src/frostfs_testlib/steps/cli/object.py b/src/frostfs_testlib/steps/cli/object.py
index 8be79829..d5755226 100644
--- a/src/frostfs_testlib/steps/cli/object.py
+++ b/src/frostfs_testlib/steps/cli/object.py
@@ -239,6 +239,7 @@ def put_object(
     shell: Shell,
     endpoint: str,
     bearer: Optional[str] = None,
+    copies_number: Optional[int] = None,
     attributes: Optional[dict] = None,
     xhdr: Optional[dict] = None,
     wallet_config: Optional[str] = None,
@@ -256,6 +257,7 @@ def put_object(
         cid: ID of Container where we get the Object from
         shell: executor for cli command
         bearer: path to Bearer Token file, appends to `--bearer` key
+        copies_number: Number of copies of the object to store within the RPC call
         attributes: User attributes in form of Key1=Value1,Key2=Value2
         endpoint: FrostFS endpoint to send request to, appends to `--rpc-endpoint` key
         wallet_config: path to the wallet config
@@ -276,6 +278,7 @@ def put_object(
         cid=cid,
         attributes=attributes,
         bearer=bearer,
+        copies_number=copies_number,
         expire_at=expire_at,
         no_progress=no_progress,
         xhdr=xhdr,