diff --git a/vagrant-user-setup.sh b/vagrant-user-setup.sh
index 1fee6c52f..7df637fb5 100755
--- a/vagrant-user-setup.sh
+++ b/vagrant-user-setup.sh
@@ -9,6 +9,6 @@ git clone https://github.com/ValveSoftware/steam-runtime.git
 #configure proton build
 mkdir build
 cd build
-../proton/configure.sh --steam-runtime64=docker:steam-proton-dev --steam-runtime32=docker:steam-proton-dev32 --steam-runtime="$HOME"/steam-runtime/runtime/ --with-ffmpeg --build-name=Proton-4.5-GE-Beta-1
+../proton/configure.sh --steam-runtime64=docker:steam-proton-dev --steam-runtime32=docker:steam-proton-dev32 --steam-runtime="$HOME"/steam-runtime/runtime/ --with-ffmpeg --build-name=Proton-4.5-GE-Beta-3
 #if building without the runtime, use:
 #../proton/configure.sh --no-steam-runtime
\ No newline at end of file