diff --git a/CMakeLists.txt b/CMakeLists.txt
index d28406def7458fda9b5103a862e09dffd3ce6384..474a38cdd2824749d7bc9c1c85d0b2e174ffa073 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 0)
-SET( CPACK_PACKAGE_VERSION_PATCH 26)
+SET( CPACK_PACKAGE_VERSION_PATCH 27)
 
 
 # init CellFrame SDK
diff --git a/cellframe-sdk b/cellframe-sdk
index 77fd4adc717da55cddc3cb5af87339d797ea9657..35701940d2a89d923012427cfb24a0dd74cefc83 160000
--- a/cellframe-sdk
+++ b/cellframe-sdk
@@ -1 +1 @@
-Subproject commit 77fd4adc717da55cddc3cb5af87339d797ea9657
+Subproject commit 35701940d2a89d923012427cfb24a0dd74cefc83