diff --git a/setup.py b/setup.py
index a62a99e..3917687 100644
--- a/setup.py
+++ b/setup.py
@@ -38,8 +38,8 @@
     packages = find_packages(where="python"),
     package_dir = {"": "python"},
     install_requires = [
-        "protobuf >=3.6.0, <4.0.0dev",
-        "googleapis-common-protos==1.52.0"
+        "protobuf>=3.12.0",
+        "googleapis-common-protos>=1.52.0"
     ],
     include_package_data=True,
 )