diff --git a/.gitignore b/.gitignore
index c645b54..e17f585 100644
--- a/.gitignore
+++ b/.gitignore
@@ -41,3 +41,8 @@ CMakeCache.txt
 cmake_install.cmake
 install_manifest.txt
 *\.debhelper\.log
+/debian/libmali-rk-dev/
+/debian/libmali-rk-midgard-4th0/
+/debian/libmali-rk-midgard0/
+/debian/libmali-rk-utgard0/
+/debian/tmp/
diff --git a/CMakeLists.txt b/CMakeLists.txt
index dce4af1..133ea30 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -15,6 +15,7 @@ INSTALL(FILES "${CMAKE_CURRENT_SOURCE_DIR}/include/mali.icd"
 DESTINATION "${CMAKE_INSTALL_SYSCONFDIR}/OpenCL/vendors/")
 
 INSTALL(FILES "${CMAKE_CURRENT_SOURCE_DIR}/lib/libmali-midgard.so"
+"${CMAKE_CURRENT_SOURCE_DIR}/lib/libmali-midgard-4th.so"
 "${CMAKE_CURRENT_SOURCE_DIR}/lib/libmali-utgard.so"
 DESTINATION "${CMAKE_INSTALL_LIBDIR}")
 
diff --git a/debian/changelog b/debian/changelog
index 11fbf81..b0ecd49 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,22 @@
+libmali-rk (1.5-1) testing; urgency=medium
+
+  * mali: update the mali library for rk3399
+
+ -- Randy Li <randy.li@rock-chips.com>  Wed, 12 Oct 2016 01:29:07 +0000
+
+libmali-rk (1.4-7) unstable; urgency=medium
+
+  * mali: add mali library used for the Mali midgard 4th gen
+
+ -- Randy Li <randy.li@rock-chips.com>  Wed, 31 Aug 2016 09:08:16 +0000
+
+libmali-rk (1.4-6) unstable; urgency=medium
+
+  * mali: upgrade Mali midgard library to t76x-r12p0
+  * debian: install link for opencl support in mali midgrade
+
+ -- Randy Li <randy.li@rock-chips.com>  Mon, 15 Aug 2016 09:30:11 +0000
+
 libmali-rk (1.4-5) unstable; urgency=medium
 
   * header: add opencl header
diff --git a/debian/control b/debian/control
index 1804719..ab4917d 100644
--- a/debian/control
+++ b/debian/control
@@ -27,9 +27,9 @@ Depends: ${misc:Depends}, ${shlibs:Depends}
 Multi-Arch: same
 Provides: libegl1-mesa, libegl1, libgles2-mesa, libgbm1, libwayland-egl1-mesa
 #Conflicts: libegl1-mesa, libegl1-x11, libgles2-mesa, libgbm1
-Conflicts: libmali-rk-utgard0
+Conflicts: libmali-rk-utgard0, libmali-rk-midgard-4th0
 Replaces: libegl1-mesa, libegl1-x11, libgles2-mesa, libgbm1
-Description: The mali library for Rockchip RK3288 and RK3399.
+Description: The mali library for Rockchip RK3288.
 
 Package: libmali-rk-utgard0
 Architecture: armhf
@@ -37,6 +37,16 @@ Depends: ${misc:Depends}, ${shlibs:Depends}
 Multi-Arch: same
 Provides: libegl1-mesa, libegl1, libgles2-mesa, libgbm1, libwayland-egl1-mesa
 #Conflicts: libegl1-mesa, libegl1-x11, libgles2-mesa, libgbm1
-Conflicts: libmali-rk-midgard0
+Conflicts: libmali-rk-midgard0, libmali-rk-midgard-4th0
 Replaces: libegl1-mesa, libegl1-x11, libgles2-mesa, libgbm1
 Description: The mali library for Rockchip RK29 serial.
+
+Package: libmali-rk-midgard-4th0
+Architecture: armhf
+Depends: ${misc:Depends}, ${shlibs:Depends}
+Multi-Arch: same
+Provides: libegl1-mesa, libegl1, libgles2-mesa, libgbm1, libwayland-egl1-mesa
+#Conflicts: libegl1-mesa, libegl1-x11, libgles2-mesa, libgbm1
+Conflicts: libmali-rk-midgard0, libmali-rk-utgard0
+Replaces: libegl1-mesa, libegl1-x11, libgles2-mesa, libgbm1
+Description: The mali library for Rockchip RK3399.
diff --git a/debian/libmali-rk-midgard-4th0.install b/debian/libmali-rk-midgard-4th0.install
new file mode 100755
index 0000000..95dec3f
--- /dev/null
+++ b/debian/libmali-rk-midgard-4th0.install
@@ -0,0 +1,3 @@
+#! /usr/bin/dh-exec
+usr/lib/${DEB_HOST_MULTIARCH}/libmali-midgard-4th.so
+#usr/etc/OpenCL/vendors => /etc/OpenCL/venders
diff --git a/debian/libmali-rk-midgard-4th0.links b/debian/libmali-rk-midgard-4th0.links
new file mode 100755
index 0000000..ad2cfee
--- /dev/null
+++ b/debian/libmali-rk-midgard-4th0.links
@@ -0,0 +1,10 @@
+#! /usr/bin/dh-exec
+usr/lib/${DEB_HOST_MULTIARCH}/libmali-midgard-4th.so usr/lib/${DEB_HOST_MULTIARCH}/libEGL.so.1
+usr/lib/${DEB_HOST_MULTIARCH}/libmali-midgard-4th.so usr/lib/${DEB_HOST_MULTIARCH}/libEGL.so.1.0.0
+usr/lib/${DEB_HOST_MULTIARCH}/libmali-midgard-4th.so usr/lib/${DEB_HOST_MULTIARCH}/libGLESv2.so.2
+usr/lib/${DEB_HOST_MULTIARCH}/libmali-midgard-4th.so usr/lib/${DEB_HOST_MULTIARCH}/libGLESv2.so.2.0.0
+usr/lib/${DEB_HOST_MULTIARCH}/libmali-midgard-4th.so usr/lib/${DEB_HOST_MULTIARCH}/libgbm.so.1
+usr/lib/${DEB_HOST_MULTIARCH}/libmali-midgard-4th.so usr/lib/${DEB_HOST_MULTIARCH}/libgbm.so.1.0.0
+usr/lib/${DEB_HOST_MULTIARCH}/libmali-midgard-4th.so usr/lib/${DEB_HOST_MULTIARCH}/libmali.so
+usr/lib/${DEB_HOST_MULTIARCH}/libmali-midgard-4th.so usr/lib/${DEB_HOST_MULTIARCH}/libMaliOpenCL.so
+usr/lib/${DEB_HOST_MULTIARCH}/libmali-midgard-4th.so usr/lib/${DEB_HOST_MULTIARCH}/libOpenCL.so