diff --git a/profiles/package.mask b/profiles/package.mask
index 0657e9b..186dbba 100644
--- a/profiles/package.mask
+++ b/profiles/package.mask
@@ -8,3 +8,11 @@
 # I don't use that matrix client anymore.
 # Removal after 2024-05-15.
 net-im/gomuks
+
+# Nils Freydank <nils.freydank@posteo.de> (2024-04-14)
+# As app services start to fail and developement stalled
+# to some degree I will switch to synapse (or give up).
+# Removal after 2024-05-15.
+acct-user/dendrite
+acct-group/dendrite
+net-im/dendrite