diff --git a/ext/avm.cmd b/ext/avm.cmd
index 729a403e58..a3528aa36c 100755
--- a/ext/avm.cmd
+++ b/ext/avm.cmd
@@ -8,7 +8,7 @@
 : # If you're running this on Windows, be sure you've already run this (from your VC2019 install dir):
 : #     "C:\Program Files (x86)\Microsoft Visual Studio\2019\Professional\VC\Auxiliary\Build\vcvars64.bat"
 
-git clone -b research-v4.0.0 --depth 1 https://gitlab.com/AOMediaCodec/avm.git
+git clone -b research-v5.0.0 --depth 1 https://gitlab.com/AOMediaCodec/avm.git
 
 cd avm