diff --git a/pyproject.toml b/pyproject.toml
index 09c2a58..ff2725c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -43,7 +43,7 @@ classifiers = [
 [tool.poetry.dependencies]
 python = ">=3.8,<4.0"
 volttron = ">=10.0.2rc0"
-dnp3-python = ">=0.2.3b3"
+dnp3-python = ">=0.2.3b3, <0.3.0"
 
 
 [tool.poetry.group.dev.dependencies]