diff --git a/modify_for_4_8_bo_move.patch b/modify_for_4_8_bo_move.patch
index 01ecce3..de93b48 100644
--- a/modify_for_4_8_bo_move.patch
+++ b/modify_for_4_8_bo_move.patch
@@ -1,8 +1,8 @@
-Index: VirtualBox-5.1.6/src/VBox/Additions/linux/drm/vbox_ttm.c
+Index: VirtualBox-5.1.22/src/VBox/Additions/linux/drm/vbox_ttm.c
 ===================================================================
---- VirtualBox-5.1.6.orig/src/VBox/Additions/linux/drm/vbox_ttm.c
-+++ VirtualBox-5.1.6/src/VBox/Additions/linux/drm/vbox_ttm.c
-@@ -229,7 +229,6 @@ static int vbox_bo_move(struct ttm_buffe
+--- VirtualBox-5.1.22.orig/src/VBox/Additions/linux/drm/vbox_ttm.c
++++ VirtualBox-5.1.22/src/VBox/Additions/linux/drm/vbox_ttm.c
+@@ -231,7 +231,6 @@ static int vbox_bo_move(struct ttm_buffe
      return r;
  }
  
@@ -10,10 +10,10 @@ Index: VirtualBox-5.1.6/src/VBox/Additions/linux/drm/vbox_ttm.c
  static void vbox_ttm_backend_destroy(struct ttm_tt *tt)
  {
      ttm_tt_fini(tt);
-Index: VirtualBox-5.1.6/src/VBox/Runtime/r0drv/linux/alloc-r0drv-linux.c
+Index: VirtualBox-5.1.22/src/VBox/Runtime/r0drv/linux/alloc-r0drv-linux.c
 ===================================================================
---- VirtualBox-5.1.6.orig/src/VBox/Runtime/r0drv/linux/alloc-r0drv-linux.c
-+++ VirtualBox-5.1.6/src/VBox/Runtime/r0drv/linux/alloc-r0drv-linux.c
+--- VirtualBox-5.1.22.orig/src/VBox/Runtime/r0drv/linux/alloc-r0drv-linux.c
++++ VirtualBox-5.1.22/src/VBox/Runtime/r0drv/linux/alloc-r0drv-linux.c
 @@ -35,7 +35,7 @@
  #include <iprt/assert.h>
  #include <iprt/err.h>
diff --git a/virtualbox.spec b/virtualbox.spec
index 27a44cd..4085cb9 100644
--- a/virtualbox.spec
+++ b/virtualbox.spec
@@ -128,6 +128,8 @@ BuildRequires:  kernel-syms
 BuildRequires:  libcap-devel
 BuildRequires:  libcurl-devel
 BuildRequires:  libelf-devel
+BuildRequires:  libicu58_2
+BuildRequires:  libicu58_2-ledata
 BuildRequires:  libidl-devel
 BuildRequires:  libopenssl-devel
 BuildRequires:  libqt5-linguist