diff --git a/pyproject.toml b/pyproject.toml
index 319621b..afb33bf 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -44,7 +44,7 @@ redis = "^5.1.1"
 brotli = "^1.1.0"
 zstandard = "^0.23.0"
 jinja2 = "^3.1.5"
-breez-sdk-spark = "^0.3.0"
+breez-sdk-spark = "^0.4.2"
 
 [tool.poetry.group.dev.dependencies]
 pytest-asyncio = "^0.24.0"