diff --git a/pyproject.toml b/pyproject.toml
index 9d0deb3..357929c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -23,7 +23,7 @@ classifiers = [
   "Programming Language :: Python :: Implementation :: PyPy",
 ]
 dependencies = [
-  "seclab-taskflow-agent==0.5.0",
+  "seclab-taskflow-agent==0.5.1",
 ]
 
 [project.urls]