diff --git a/CMakeLists.txt b/CMakeLists.txt
index 168f93aded06bf8cb64e3b4170debde3082b3e3f..73316162229b679b38d13dc928f1d7b49579295a 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 3)
 SET( CPACK_PACKAGE_VERSION_MINOR 4)
-SET( CPACK_PACKAGE_VERSION_PATCH 3)
+SET( CPACK_PACKAGE_VERSION_PATCH 4)
 
 # init CellFrame SDK
 add_definitions("-DDAP_VERSION=\"${CPACK_PACKAGE_VERSION_MAJOR}\"")
diff --git a/cellframe-sdk b/cellframe-sdk
index d26529740315bffda8b5fca78b7baedec21cfb9d..db9b382d599038620305ed7ee67ef8dce73fe305 160000
--- a/cellframe-sdk
+++ b/cellframe-sdk
@@ -1 +1 @@
-Subproject commit d26529740315bffda8b5fca78b7baedec21cfb9d
+Subproject commit db9b382d599038620305ed7ee67ef8dce73fe305
diff --git a/python-cellframe b/python-cellframe
index bcf8c7a54278129bc4fc8d60db60f617cf206840..cfaa3c0afa73ecd3a140673d5e9a2125f9f7ba6a 160000
--- a/python-cellframe
+++ b/python-cellframe
@@ -1 +1 @@
-Subproject commit bcf8c7a54278129bc4fc8d60db60f617cf206840
+Subproject commit cfaa3c0afa73ecd3a140673d5e9a2125f9f7ba6a