diff --git a/CMakeLists.txt b/CMakeLists.txt
index 0791851464c75ec7c82c1622e578ca0490acff4f..d28406def7458fda9b5103a862e09dffd3ce6384 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 25)
+SET( CPACK_PACKAGE_VERSION_PATCH 26)
 
 
 # init CellFrame SDK
diff --git a/cellframe-sdk b/cellframe-sdk
index a2ef09b4649004d513e0ab3633f4632ed7663428..77fd4adc717da55cddc3cb5af87339d797ea9657 160000
--- a/cellframe-sdk
+++ b/cellframe-sdk
@@ -1 +1 @@
-Subproject commit a2ef09b4649004d513e0ab3633f4632ed7663428
+Subproject commit 77fd4adc717da55cddc3cb5af87339d797ea9657