diff --git a/CMakeLists.txt b/CMakeLists.txt
index 51e6e9335146355d367c2f2fac97ed42b4587c5e..c1eecdc4548d47b04d9572cda61aeb8c280bab0f 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 37)
+SET( CPACK_PACKAGE_VERSION_PATCH 38)
 
 
 # init CellFrame SDK
diff --git a/cellframe-sdk b/cellframe-sdk
index 65f1dec34f0bbac21a4b2c24305ac0c6c468dfe4..1ef8c4941feec98c25b0a27443d10cee538c3e37 160000
--- a/cellframe-sdk
+++ b/cellframe-sdk
@@ -1 +1 @@
-Subproject commit 65f1dec34f0bbac21a4b2c24305ac0c6c468dfe4
+Subproject commit 1ef8c4941feec98c25b0a27443d10cee538c3e37