diff --git a/CMakeLists.txt b/CMakeLists.txt
index f76781001fa67c4384cceaf0557ffca92b83539a..e76d4a9cbd852a29a25f45cedf12996c82cc2ff1 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -8,7 +8,8 @@ set(CMAKE_C_STANDARD 11)
 SET( CPACK_PACKAGE_NAME  "${PROJECT_NAME}")
 SET( CPACK_PACKAGE_VERSION_MAJOR 4)
 SET( CPACK_PACKAGE_VERSION_MINOR 4)
-SET( CPACK_PACKAGE_VERSION_PATCH 54)
+SET( CPACK_PACKAGE_VERSION_PATCH 55)
+
 
 # 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 4a6c93e47f902eaf02e5ab30e6e56a988fb17080..bd40f27b7a4f3cbca99e4879aa7ce5d6899905bc 160000
--- a/cellframe-sdk
+++ b/cellframe-sdk
@@ -1 +1 @@
-Subproject commit 4a6c93e47f902eaf02e5ab30e6e56a988fb17080
+Subproject commit bd40f27b7a4f3cbca99e4879aa7ce5d6899905bc