diff --git a/profiles/package.mask b/profiles/package.mask
index 05c23a61ddeaa..e0abab2bf11e3 100644
--- a/profiles/package.mask
+++ b/profiles/package.mask
@@ -36,6 +36,10 @@
 
 #--- END OF EXAMPLES ---
 
+# Ulrich Müller <ulm@gentoo.org> (2026-06-05)
+# Pretest versions, masked for testing.
+<app-editors/emacs-31.0.9999:31-vcs
+
 # Michał Górny <mgorny@gentoo.org> (2026-06-03)
 # Mike Pagano <mpagano@gentoo.org> (2026-06-03)
 # Support for 5.10.x and 5.15.x kernels in Gentoo is being discontinued.