diff --git a/CMakeLists.txt b/CMakeLists.txt
index ca07cb371ed84e87b8cb0ef295ccf7076c626a79..33b2c647b19b47d0d244515be80e813c879ad192 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -8,7 +8,7 @@ set(CMAKE_C_STANDARD 11)
 SET( CPACK_PACKAGE_NAME  "${PROJECT_NAME}")
 SET( CPACK_PACKAGE_VERSION_MAJOR 4)
 SET( CPACK_PACKAGE_VERSION_MINOR 1)
-SET( CPACK_PACKAGE_VERSION_PATCH 26)
+SET( CPACK_PACKAGE_VERSION_PATCH 28)
 
 # init CellFrame SDK
 add_definitions("-DDAP_VERSION=\"${CPACK_PACKAGE_VERSION_MAJOR}-${CPACK_PACKAGE_VERSION_MINOR}.${CPACK_PACKAGE_VERSION_PATCH}\"")
diff --git a/cellframe-sdk b/cellframe-sdk
index a462a92822c08227337f65faa6ec61a15af872bb..23c27d55c0f8e50efdee311cc568497a49d2a969 160000
--- a/cellframe-sdk
+++ b/cellframe-sdk
@@ -1 +1 @@
-Subproject commit a462a92822c08227337f65faa6ec61a15af872bb
+Subproject commit 23c27d55c0f8e50efdee311cc568497a49d2a969