diff --git a/CMakeLists.txt b/CMakeLists.txt
index 302edaebfb6c932d1306c27c1640cbc93cea20da..5004ca8e6b8d079f1156815eb859c6d83dfc7b37 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 4)
-SET( CPACK_PACKAGE_VERSION_PATCH 20)
+SET( CPACK_PACKAGE_VERSION_PATCH 21)
 
 # 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 201171145a087cda37199caeb1bf5d53e84c8eda..82a4c32be61546f24629b5232585e75f0ce4b27a 160000
--- a/cellframe-sdk
+++ b/cellframe-sdk
@@ -1 +1 @@
-Subproject commit 201171145a087cda37199caeb1bf5d53e84c8eda
+Subproject commit 82a4c32be61546f24629b5232585e75f0ce4b27a