diff --git a/.gitignore b/.gitignore
index 807e3b1..d9c73db 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,5 +1,5 @@
 .DS_Store
-/out/
+/out*/
 /.idea/
 *.gclient
 *.gclient_entries
diff --git a/CMakeModules/Version.cmake b/CMakeModules/Version.cmake
index 7d52305..1bed46d 100644
--- a/CMakeModules/Version.cmake
+++ b/CMakeModules/Version.cmake
@@ -20,4 +20,4 @@ set(LIBWEBRTC_API_VERSION
 set(LIBWEBRTC_VERSION
     ${LIBWEBRTC_API_VERSION}${LIBWEBRTC_BUILD_VERSION})
 
-set(LIBWEBRTC_WEBRTC_HEAD refs/branch-heads/60)
+set(LIBWEBRTC_WEBRTC_HEAD refs/branch-heads/70)
diff --git a/webrtc/CMakeLists.txt.in b/webrtc/CMakeLists.txt.in
index b6c3874..08b15b4 100644
--- a/webrtc/CMakeLists.txt.in
+++ b/webrtc/CMakeLists.txt.in
@@ -76,11 +76,21 @@ if (UNIX AND NOT APPLE)
     set(SYSROOT_ARCH "amd64")
   elseif (SYSROOT_ARCH STREQUAL "x86")
     set(SYSROOT_ARCH "i386")
+  elseif (SYSROOT_ARCH STREQUAL "arm64")
+    if (TARGET_OS STREQUAL "android")
+      set(SYSROOT_ARCH ${CMAKE_HOST_SYSTEM_PROCESSOR})
+      if (SYSROOT_ARCH STREQUAL "x86_64")
+        set(SYSROOT_ARCH "amd64")
+      elseif (SYSROOT_ARCH STQEQUAL "x86")
+        set(SYSROOT_ARCH "i386")
+      endif()
+    endif()
   endif (SYSROOT_ARCH STREQUAL "x64")
 
+
   libwebrtc_command(
       NAME webrtc-toolchain
-      COMMAND ${PYTHON_EXECUTABLE} ${WEBRTC_PARENT_DIR}/src/build/linux/sysroot_scripts/install-sysroot.py --arch=${SYSROOT_ARCH} --running-as-hook
+      COMMAND ${PYTHON_EXECUTABLE} ${WEBRTC_PARENT_DIR}/src/build/linux/sysroot_scripts/install-sysroot.py --arch=${SYSROOT_ARCH}
       WORKING_DIRECTORY "${WEBRTC_PARENT_DIR}"
       COMMENT "Retrieving sysroot"
       DEPENDS webrtc-sync
@@ -134,6 +144,15 @@ libwebrtc_command(
 )
 set(_DEPENDENCIES ${_DEPENDENCIES} webrtc-clang-format)
 
+libwebrtc_command(
+    NAME webrtc-util-lastchange
+    COMMAND ${PYTHON_EXECUTABLE} src/build/util/lastchange.py -o src/build/util/LASTCHANGE
+    WORKING_DIRECTORY "${WEBRTC_PARENT_DIR}"
+    COMMENT "Generating build util LASTCHANGE file"
+    DEPENDS ${_DEPENDENCIES}
+)
+set(_DEPENDENCIES ${_DEPENDENCIES} webrtc-util-lastchange)
+
 include(Gn)
 
 libwebrtc_command(