diff --git a/jtt808/README.md b/jtt808/README.md
index 4496289..5b21709 100644
--- a/jtt808/README.md
+++ b/jtt808/README.md
@@ -5,12 +5,12 @@
 mkdir -p /home/docker-compose/opt
 # Enter directory
 cd /home/docker-compose/opt
-# Download
-wget https://johnvansickle.com/ffmpeg/releases/ffmpeg-release-amd64-static.tar.xz
+# Download (source: https://github.com/BtbN/FFmpeg-Builds/releases/download/autobuild-2026-06-14-13-33/ffmpeg-n8.1.1-117-g7aecd49777-linux64-gpl-8.1.tar.xz)
+wget https://github.com/TranscodeGroup/docker/releases/download/v1.0.7/ffmpeg-n8.1.1-117-g7aecd49777-linux64-gpl-8.1.tar.xz
 # Decompress
-tar -xvf ffmpeg-release-amd64-static.tar.xz
+tar -xvf ffmpeg-n8.1.1-117-g7aecd49777-linux64-gpl-8.1.tar.xz
 # Copy bin files
-cp ./ffmpeg-*-amd64-static/ffmpeg ./ffmpeg-*-amd64-static/ffprobe /home/docker-compose/opt/
+cp ./ffmpeg-n8.1.1-117-g7aecd49777-linux64-gpl-8.1/bin/ffmpeg ./ffmpeg-n8.1.1-117-g7aecd49777-linux64-gpl-8.1/bin/ffprobe /home/docker-compose/opt/
 # Test
 ./ffmpeg -version
 ```