diff --git a/CMakeLists.txt b/CMakeLists.txt
index aa3c3f91..8fafe0c1 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 "0.9")
+set(MCKERNEL_RELEASE "0.91")
 
 set(CMAKE_MODULE_PATH ${CMAKE_SOURCE_DIR}/cmake/modules)
 # for rpmbuild
diff --git a/ihk b/ihk
index f3c81eaa..efacf4fc 160000
--- a/ihk
+++ b/ihk
@@ -1 +1 @@
-Subproject commit f3c81eaa14a122afa20d3c0bc7378b515589ee88
+Subproject commit efacf4fceb239713063aa013252bf98a513b3b40