diff --git a/CMakeLists.txt b/CMakeLists.txt
index d9192ac386be36751d6cc4be266a74e97aa153fa..f568f16aa22286f9d7ed4e0338e152786406cff7 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 54)
+SET( CPACK_PACKAGE_VERSION_PATCH 55)
 
 # init CellFrame SDK
 #
diff --git a/cellframe-sdk b/cellframe-sdk
index 51c35ed1b2d1a6d77e830a258d128cf45924f1ee..c90f65b8bf5889bfef7853de07305fcbbce4ee61 160000
--- a/cellframe-sdk
+++ b/cellframe-sdk
@@ -1 +1 @@
-Subproject commit 51c35ed1b2d1a6d77e830a258d128cf45924f1ee
+Subproject commit c90f65b8bf5889bfef7853de07305fcbbce4ee61