diff --git a/.gitmodules b/.gitmodules
index 5f643098e71beab7153eb42ccdcc759df8be1429..70590f1b6898f0e47e5a5f6d8f61c8152e714b89 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -5,11 +5,11 @@
 [submodule "python-cellframe"]
 	path = python-cellframe
 	url = ../python-cellframe.git
-	branch = master
+	branch = develop
 [submodule "cellframe-sdk"]
 	path = cellframe-sdk
 	url = ../cellframe-sdk.git
-	branch = master
+	branch = develop
 [submodule "prod_build"]
 	path = prod_build
 	url = ../prod_build_cellframe-node
diff --git a/CMakeLists.txt b/CMakeLists.txt
index f871dbd7740d9ead897761c70395cfcce2ffed70..42b7065fc6a6af5d4dc4c957cff9a68682d3bb6d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -7,8 +7,8 @@ set(CMAKE_C_STANDARD 11)
 # Predefine project
 SET( CPACK_PACKAGE_NAME  "${PROJECT_NAME}")
 SET( CPACK_PACKAGE_VERSION_MAJOR 4)
-SET( CPACK_PACKAGE_VERSION_MINOR 1)
-SET( CPACK_PACKAGE_VERSION_PATCH 25)
+SET( CPACK_PACKAGE_VERSION_MINOR 2)
+SET( CPACK_PACKAGE_VERSION_PATCH 0)
 
 # 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 3f30ebe8cc5b22b2c8f8ec294e4dbcdbd2b01645..b2f12f321ed748ce989fca9b10a9bc2c7abe1b1c 160000
--- a/cellframe-sdk
+++ b/cellframe-sdk
@@ -1 +1 @@
-Subproject commit 3f30ebe8cc5b22b2c8f8ec294e4dbcdbd2b01645
+Subproject commit b2f12f321ed748ce989fca9b10a9bc2c7abe1b1c
diff --git a/python-cellframe b/python-cellframe
index 25c1913eb6224a3eb7592438a977365501593a6f..a26bb987ce1d029f9ca3677f0d24abaa0dc53250 160000
--- a/python-cellframe
+++ b/python-cellframe
@@ -1 +1 @@
-Subproject commit 25c1913eb6224a3eb7592438a977365501593a6f
+Subproject commit a26bb987ce1d029f9ca3677f0d24abaa0dc53250