fix(dependencies): increase protobuf version (#49)
Increase protobuf version to 3.12.0 for `_internal_create_key`. Closes #48
diff --git a/setup.py b/setup.py
index 8c01c47..309b956 100644
--- a/setup.py
+++ b/setup.py
@@ -30,7 +30,7 @@
release_status = "Development Status :: 5 - Production/Stable"
dependencies = [
"googleapis-common-protos >= 1.6.0, < 2.0dev",
- "protobuf >= 3.4.0",
+ "protobuf >= 3.12.0",
"google-auth >= 1.14.0, < 2.0dev",
"requests >= 2.18.0, < 3.0.0dev",
"setuptools >= 34.0.0",