diff --git a/profiles/package.mask b/profiles/package.mask
index 6ef88442f6..515983aa67 100644
--- a/profiles/package.mask
+++ b/profiles/package.mask
@@ -14,6 +14,11 @@
 
 # New entries go on top.
 
+# Anna Vyalkova <cyber+gentoo@sysrq.in> (2023-05-02)
+# Python library with no revdeps left in tree.
+# Masked for removal in 30 days.
+dev-python/promise
+
 # Anna Vyalkova <cyber+gentoo@sysrq.in> (2023-05-01)
 # Depends on removed versions of sys-cluster/pacemaker.
 # Masked for removal in 30 days.