diff --git a/x11-packages/weston/build.sh b/x11-packages/weston/build.sh
index 7140c689bf..316dc9d4d1 100644
--- a/x11-packages/weston/build.sh
+++ b/x11-packages/weston/build.sh
@@ -11,6 +11,8 @@ TERMUX_PKG_BUILD_DEPENDS="libwayland-cross-scanner, libwayland-protocols"
 # XXX: Do not depend on gbm
 TERMUX_PKG_ANTI_BUILD_DEPENDS="mesa"
 TERMUX_PKG_AUTO_UPDATE=true
+# Weston uses x.y.9z and x.9y.9z versions as unstable prereleases, do not update to them.
+TERMUX_PKG_UPDATE_VERSION_REGEXP='^\d+(?:\.[0-8]?\d){2}$'
 TERMUX_PKG_EXTRA_CONFIGURE_ARGS="
 -Dbackend-drm=false
 -Dbackend-drm-screencast-vaapi=false