diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,11 @@
   [The latest version of this document is on GitHub.](https://github.com/haskell-servant/servant/blob/master/servant-http-streams/CHANGELOG.md)
 [Changelog for `servant` package contains significant entries for all core packages.](https://github.com/haskell-servant/servant/blob/master/servant/CHANGELOG.md)
 
+0.16.0.1
+--------
+
+- Allow `base-compat-0.11`
+
 0.16
 ----
 
diff --git a/servant-http-streams.cabal b/servant-http-streams.cabal
--- a/servant-http-streams.cabal
+++ b/servant-http-streams.cabal
@@ -1,6 +1,6 @@
 cabal-version:       >=1.10
 name:                servant-http-streams
-version:             0.16
+version:             0.16.0.1
 
 synopsis:            Automatic derivation of querying functions for servant
 category:            Servant, Web
@@ -8,11 +8,11 @@
   This library lets you derive automatically Haskell functions that
   let you query each endpoint of a <http://hackage.haskell.org/package/servant servant> webservice.
   .
-  See <http://haskell-servant.readthedocs.org/en/stable/tutorial/Client.html the client section of the tutorial>.
+  See <http://docs.servant.dev/en/stable/tutorial/Client.html the client section of the tutorial>.
   .
   <https://github.com/haskell-servant/servant/blob/master/servant-client/CHANGELOG.md CHANGELOG>
 
-homepage:            http://haskell-servant.readthedocs.org/
+homepage:            http://docs.servant.dev/
 bug-reports:         http://github.com/haskell-servant/servant/issues
 license:             BSD3
 license-file:        LICENSE
@@ -24,7 +24,8 @@
   GHC ==8.0.2
    || ==8.2.2
    || ==8.4.4
-   || ==8.6.3
+   || ==8.6.5
+   || ==8.8.1
 
 extra-source-files:
   CHANGELOG.md
@@ -42,13 +43,13 @@
   -- Bundled with GHC: Lower bound to not force re-installs
   -- text and mtl are bundled starting with GHC-8.4
   build-depends:
-      base                  >= 4.9      && < 4.13
+      base                  >= 4.9      && < 4.14
     , bytestring            >= 0.10.8.1 && < 0.11
     , containers            >= 0.5.7.1  && < 0.7
     , deepseq               >= 1.4.2.0  && < 1.5
     , mtl                   >= 2.2.2    && < 2.3
     , text                  >= 1.2.3.0  && < 1.3
-    , time                  >= 1.6.0.1  && < 1.9
+    , time                  >= 1.6.0.1  && < 1.10
     , transformers          >= 0.5.2.0  && < 0.6
 
   if !impl(ghc >= 8.2)
@@ -64,10 +65,10 @@
   -- Other dependencies: Lower bound around what is in the latest Stackage LTS.
   -- Here can be exceptions if we really need features from the newer versions.
   build-depends:
-      base-compat           >= 0.10.5   && < 0.11
+      base-compat           >= 0.10.5   && < 0.12
     , case-insensitive
     , http-streams          >= 0.8.6.1  && < 0.9
-    , http-media            >= 0.7.1.3  && < 0.8
+    , http-media            >= 0.7.1.3  && < 0.9
     , io-streams            >= 1.5.0.1  && < 1.6
     , http-types            >= 0.12.2   && < 0.13
     , http-common           >= 0.8.2.0  && < 0.9
@@ -118,8 +119,8 @@
       entropy           >= 0.4.1.3  && < 0.5
     , hspec             >= 2.6.0    && < 2.8
     , HUnit             >= 1.6.0.0  && < 1.7
-    , network           >= 2.8.0.0  && < 3.1
-    , QuickCheck        >= 2.12.6.1 && < 2.13
+    , network           >= 2.8.0.0  && < 3.2
+    , QuickCheck        >= 2.12.6.1 && < 2.14
     , servant           == 0.16.*
     , servant-server    == 0.16.*
     , tdigest           >= 0.2     && < 0.3
diff --git a/src/Servant/HttpStreams/Internal.hs b/src/Servant/HttpStreams/Internal.hs
--- a/src/Servant/HttpStreams/Internal.hs
+++ b/src/Servant/HttpStreams/Internal.hs
@@ -18,6 +18,8 @@
                  (NFData, force)
 import           Control.Exception
                  (IOException, SomeException (..), catch, evaluate, throwIO)
+import           Control.Monad
+                 (unless)
 import           Control.Monad.Base
                  (MonadBase (..))
 import           Control.Monad.Codensity
@@ -25,9 +27,13 @@
 import           Control.Monad.Error.Class
                  (MonadError (..))
 import           Control.Monad.IO.Class
-                 (liftIO)
+                 (MonadIO (..))
 import           Control.Monad.Reader
+                 (MonadReader, ReaderT, ask, runReaderT)
+import           Control.Monad.Trans.Class
+                 (lift)
 import           Control.Monad.Trans.Except
+                 (ExceptT, runExceptT)
 import           Data.Bifunctor
                  (bimap, first)
 import           Data.ByteString.Builder
