diff --git a/profiles/package.mask b/profiles/package.mask
index 6698de4606..b40310cd83 100644
--- a/profiles/package.mask
+++ b/profiles/package.mask
@@ -14,6 +14,10 @@
 
 # New entries go on top.
 
+# Anna Vyalkova <cyber+gentoo@sysrq.in> (2023-05-01)
+# Unavailable dependency. Masked until a version bump.
+net-im/kaidan
+
 # Joe Kappus <joe@wt.gd> (2023-04-30)
 # Upstream disappeared months/years ago. Removing in 30 days.
 dev-cpp/vectorwrapper