diff --git a/nameko_grpc/compression.py b/nameko_grpc/compression.py
index 6fa050e..90e1161 100644
--- a/nameko_grpc/compression.py
+++ b/nameko_grpc/compression.py
@@ -42,6 +42,8 @@ def compress(data, encoding):  # level?
 def select_algorithm(acceptable_encodings, preferred_encoding):
     if preferred_encoding and preferred_encoding in SUPPORTED_ENCODINGS:
         return preferred_encoding
+    if not acceptable_encodings:
+        return "identity"
     for encoding in SUPPORTED_ENCODINGS:
         if encoding in acceptable_encodings:
             return encoding
diff --git a/setup.py b/setup.py
index 273615e..c771049 100644
--- a/setup.py
+++ b/setup.py
@@ -14,14 +14,20 @@
 
 setup(
     name="nameko-grpc",
-    version="1.2.0rc1",
+    version="1.2.0rc2",
     description="Nameko gRPC extensions",
     long_description=readme,
     long_description_content_type="text/markdown",
     author="Matt Yule-Bennett",
     url="http://github.com/nameko/nameko-grpc",
     packages=find_packages(exclude=["test"]),
-    install_requires=["nameko>=3.0.0-rc9", "h2>=3", "grpcio", "protobuf"],
+    install_requires=[
+        "nameko>=3.0.0-rc9",
+        "h2>=3",
+        "grpcio",
+        "protobuf",
+        "googleapis-common-protos",
+    ],
     extras_require={
         "dev": [
             "coverage",