diff --git a/CMakeLists.txt b/CMakeLists.txt
index ed098718..c5fb889d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -10,7 +10,7 @@ project(mckernel C ASM)
 set(MCKERNEL_VERSION "1.7.1")
 
 # See "Fedora Packaging Guidelines -- Versioning"
-set(MCKERNEL_RELEASE "0.3")
+set(MCKERNEL_RELEASE "0.4")
 
 set(CMAKE_MODULE_PATH ${CMAKE_SOURCE_DIR}/cmake/modules)
 # for rpmbuild
diff --git a/ihk b/ihk
index 156bda8e..675ab08a 160000
--- a/ihk
+++ b/ihk
@@ -1 +1 @@
-Subproject commit 156bda8e6bb50146d8164c336eb931e09d3144be
+Subproject commit 675ab08a3cc9c92b55b040b6f37e65a371eb9012