diff --git a/pyproject.toml b/pyproject.toml
index 30d6fcd6..86386f7d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -60,7 +60,7 @@ dependencies = [
     "urwid >= 1.2.0, < 3",
     "urwid-satext",
     "xmlschema < 4.3.1",
-    "tx-xmpp>=0.14",
+    "tx-xmpp>=0.15",
 ]
 keywords = [
     "XMPP",