diff --git a/profiles/package.mask b/profiles/package.mask
index bbd50ee3dd..0f96e978e5 100644
--- a/profiles/package.mask
+++ b/profiles/package.mask
@@ -14,6 +14,11 @@
 
 # New entries go on top.
 
+# Nicola Smaniotto <smaniotto.nicola@gmail.com> (2023-09-13)
+# Upstream is using unstable compiler features, needs dev-lang/rust[nightly].
+# Removal in 30 days if no one else wants to maintain it.
+games-rpg/airshipper
+
 # Remigiusz Micielski <rmicielski@purelymail.com> (2023-08-13)
 # rust-analyzer is in ::gentoo as a use flag for rust
 dev-util/rust-analyzer