diff --git a/pyproject.toml b/pyproject.toml
index 409694cf..f3685038 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -64,7 +64,7 @@ optional-dependencies.ledger = [
   "ledgereth==0.9.1",
 ]
 optional-dependencies.mqtt = [
-  "aiomqtt<=0.1.3",
+  "aiomqtt<=2.3.0",
   "certifi",
   "click",
 ]