diff --git a/poetry.lock b/poetry.lock
new file mode 100644
index 0000000..4061a77
--- /dev/null
+++ b/poetry.lock
@@ -0,0 +1,606 @@
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diff --git a/pyproject.toml b/pyproject.toml
index d7e91ed..578809b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -15,6 +15,8 @@ keywords = []
 
 [tool.poetry.dependencies]
 python = "^3.6"
+grpcio_tools = "^1.31.0"
+purerpc = "^0.6.1"
 
 [tool.poetry.dev-dependencies]
 black = "^19.10b0"