diff --git a/regtests/client/python/pyproject.toml b/regtests/client/python/pyproject.toml
index 1711150238..a489e213e9 100644
--- a/regtests/client/python/pyproject.toml
+++ b/regtests/client/python/pyproject.toml
@@ -29,6 +29,9 @@ keywords = ["Polaris", "Polaris Management Service"]
 include = ["polaris.management/py.typed"]
 package-mode = true
 
+[[tool.poetry.packages]]
+include = "."
+
 [tool.poetry.dependencies]
 python = "^3.8"
 
diff --git a/regtests/requirements.txt b/regtests/requirements.txt
index 1beb63bca0..6e4d46f3fb 100644
--- a/regtests/requirements.txt
+++ b/regtests/requirements.txt
@@ -17,4 +17,4 @@
 # under the License.
 #
 
-poetry==1.8.5
+poetry==2.1.1