diff --git a/Setup.hs b/Setup.hs
--- a/Setup.hs
+++ b/Setup.hs
@@ -1,2 +1,3 @@
 import Distribution.Simple
+
 main = defaultMain
diff --git a/http2-grpc-proto-lens.cabal b/http2-grpc-proto-lens.cabal
--- a/http2-grpc-proto-lens.cabal
+++ b/http2-grpc-proto-lens.cabal
@@ -1,13 +1,7 @@
 cabal-version: 1.12
 
--- This file has been generated from package.yaml by hpack version 0.31.2.
---
--- see: https://github.com/sol/hpack
---
--- hash: 55c756b55c80ecf8c0e187e1f0b8ec7ff8d54ad1ad8f84a823599f9c2ea01582
-
 name:           http2-grpc-proto-lens
-version:        0.1.0.0
+version:        0.1.1.0
 synopsis:       Encoders based on `proto-lens` for gRPC over HTTP2.
 description:    Please see the README on GitHub at <https://github.com/haskell-grpc-native/http2-grpc-haskell/blob/master/http2-grpc-proto-lens/README.md>
 category:       Network
@@ -36,11 +30,11 @@
       src
   ghc-options: -Wall
   build-depends:
-      base >=4.11 && <5
+      base >=4.10 && <5
     , binary >=0.8.5 && <0.11
-    , bytestring >=0.10.8 && <0.11
+    , bytestring >=0.10.8 && <0.12
     , case-insensitive >=1.2.0 && <1.3
     , http2-grpc-types
-    , proto-lens >=0.5 && <0.7
+    , proto-lens >=0.5 && <0.8
     , zlib >=0.6.2 && <0.7
   default-language: Haskell2010
diff --git a/src/Network/GRPC/HTTP2/ProtoLens.hs b/src/Network/GRPC/HTTP2/ProtoLens.hs
--- a/src/Network/GRPC/HTTP2/ProtoLens.hs
+++ b/src/Network/GRPC/HTTP2/ProtoLens.hs
@@ -1,26 +1,41 @@
+{-# LANGUAGE CPP #-}
 {-# LANGUAGE DataKinds #-}
-{-# LANGUAGE OverloadedStrings #-}
 {-# LANGUAGE FlexibleInstances #-}
-{-# LANGUAGE UndecidableInstances #-}
 {-# LANGUAGE MultiParamTypeClasses #-}
+{-# LANGUAGE OverloadedStrings #-}
 {-# LANGUAGE TypeFamilies #-}
+{-# LANGUAGE TypeOperators #-}
+{-# LANGUAGE UndecidableInstances #-}
 
 module Network.GRPC.HTTP2.ProtoLens where
 
-import           Data.Binary.Builder (fromByteString, singleton, putWord32be)
-import           Data.Binary.Get (getByteString, getInt8, getWord32be, runGetIncremental)
+import Data.Binary.Builder (fromByteString, putWord32be, singleton)
+import Data.Binary.Get (getByteString, getInt8, getWord32be, runGetIncremental)
 import qualified Data.ByteString.Char8 as ByteString
-import           Data.ProtoLens.Encoding (encodeMessage, decodeMessage)
-import           Data.ProtoLens.Message (Message)
-import           Data.ProtoLens.Service.Types (Service(..), HasMethod, HasMethodImpl(..))
-import           Data.Proxy (Proxy(..))
-import           GHC.TypeLits (Symbol, symbolVal)
+#if MIN_VERSION_base(4,11,0)
+import Data.Kind (Type)
+#else
+#endif
+import Data.ProtoLens.Encoding (decodeMessage, encodeMessage)
+import Data.ProtoLens.Message (Message)
+import Data.ProtoLens.Service.Types (HasMethod, HasMethodImpl (..), Service (..))
+import Data.Proxy (Proxy (..))
+import GHC.TypeLits (Symbol, symbolVal)
 
-import Network.GRPC.HTTP2.Types
+#if MIN_VERSION_base(4,11,0)
+#else
+import Data.Monoid ((<>))
+#endif
+
 import Network.GRPC.HTTP2.Encoding
+import Network.GRPC.HTTP2.Types
 
 -- | A proxy type for giving static information about RPCs.
+#if MIN_VERSION_base(4,11,0)
+data RPC (s :: Type) (m :: Symbol) = RPC
+#else
 data RPC (s :: *) (m :: Symbol) = RPC
+#endif
 
 instance (Service s, HasMethod s m) => IsRPC (RPC s m) where
   path rpc = "/" <> pkg rpc Proxy <> "." <> srv rpc Proxy <> "/" <> meth rpc Proxy