NEWS                             | 3 +++
 VERSION                          | 2 +-
 pygost/stubs/pygost/gost3413.pyi | 8 ++++----

diff --git a/NEWS b/NEWS
index 3549de76d53e4f9264ba596e2d36cc0b4702c179dbf351d82ddefe8b3feaea17..f9deee804544db9a42cbd9dd7e5e8b5e79733498dbce0e352465f34ed6903951 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,6 @@
+2.4:
+    Fixed 34.13 mypy stub
+
 2.3:
     Typo and pylint fixes
 
diff --git a/VERSION b/VERSION
index 3de60ed430056fd22a131014992652f17e3bcbf6e44bf7534345254c676dab8e..ec1914974b960bf8b3d09b7499ae1fc1d2976c505ceca6c0b79d0d9c08027211 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-2.3
+2.4
diff --git a/pygost/stubs/pygost/gost3413.pyi b/pygost/stubs/pygost/gost3413.pyi
index bff8030dbd25c2a2c8930ab433403a74bae78744f39e9be2f33fa7622436bb46..d08f58f89b669ce15f89ef19b1dddf85724059233f66ce13df1addfd7b4e381f 100644
--- a/pygost/stubs/pygost/gost3413.pyi
+++ b/pygost/stubs/pygost/gost3413.pyi
@@ -1,10 +1,10 @@
-def pad_size(int, int) -> int: ...
+def pad_size(data_size: int, blocksize: int) -> int: ...
 
 
-def pad1(bytes, int) -> bytes: ...
+def pad1(data: bytes, blocksize: int) -> bytes: ...
 
 
-def pad2(bytes, int) -> bytes: ...
+def pad2(data: bytes, blocksize: int) -> bytes: ...
 
 
-def pad3(bytes, int) -> bytes: ...
+def pad3(data: bytes, blocksize: int) -> bytes: ...