diff --git a/poetry.lock b/poetry.lock
index 4f816ff1..10f3864c 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1,4 +1,4 @@
-# This file is automatically @generated by Poetry 1.8.2 and should not be changed by hand.
+# This file is automatically @generated by Poetry 1.6.1 and should not be changed by hand.
 
 [[package]]
 name = "astunparse"
@@ -1383,4 +1383,4 @@ grpc = ["googleapis-common-protos", "grpcio", "grpcio", "lz4", "protobuf", "prot
 [metadata]
 lock-version = "2.0"
 python-versions = "^3.8"
-content-hash = "5f953341cde152a5205aa5c306d6b672cd8b92e59e8fad801f1fb01dd0956160"
+content-hash = "7fcaf8376166ea98dd704c1ee4a27e09c64bfb2c598e4be8547ba3127a762f82"
diff --git a/pyproject.toml b/pyproject.toml
index 02615243..48d084d7 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -69,6 +69,7 @@ protobuf = { version = "^4.25", optional = true }
 protoc-gen-openapiv2 = {version = "^0.0.1", optional = true }
 pinecone-plugin-interface = "^0.0.7"
 pinecone-plugin-inference = "^1.1.0"
+python-dateutil = ">=2.5.3"
 
 [tool.poetry.group.types]
 optional = true