diff --git a/Setup.hs b/Setup.hs
--- a/Setup.hs
+++ b/Setup.hs
@@ -1,4 +1,4 @@
-import qualified Distribution.Simple
+import qualified Distribution.Simple as Cabal
 
 main :: IO ()
-main = Distribution.Simple.defaultMain
+main = Cabal.defaultMain
diff --git a/executables/Main.hs b/executables/Main.hs
new file mode 100644
--- /dev/null
+++ b/executables/Main.hs
@@ -0,0 +1,5 @@
+module Main
+  ( module GitHubRelease
+  ) where
+
+import GitHubRelease (main)
diff --git a/executables/github-release.hs b/executables/github-release.hs
deleted file mode 100644
--- a/executables/github-release.hs
+++ /dev/null
@@ -1,5 +0,0 @@
-module Main
-  ( module GitHubRelease
-  ) where
-
-import GitHubRelease (main)
diff --git a/github-release.cabal b/github-release.cabal
--- a/github-release.cabal
+++ b/github-release.cabal
@@ -2,10 +2,10 @@
 --
 -- see: https://github.com/sol/hpack
 --
--- hash: cdab9d5c85ce5685e7b141f22bf3ab59ea223f39771b6b87775a1e68cffd463f
+-- hash: 6c10f0a19692a85cbc12e772a291d66576e1848c8286945cb0d5bd86884dc3e4
 
 name:           github-release
-version:        1.1.5
+version:        1.1.6
 synopsis:       Upload files to GitHub releases.
 description:    GitHub Release uploads files to GitHub releases.
 category:       Utility
@@ -24,19 +24,21 @@
 library
   hs-source-dirs:
       library
-  ghc-options: -Wall
+  ghc-options: -Weverything -Wno-implicit-prelude -Wno-safe -Wno-unsafe
   build-depends:
-      aeson >=0.9 && <1.4
-    , base >=4.8.2 && <4.11
-    , bytestring >=0.10.6 && <0.11
-    , http-client >=0.4.30 && <0.6
+      aeson >=0.11.2 && <0.12 || >=1.0.2 && <1.3
+    , base >=4.9.0 && <4.12
+    , bytestring >=0.10.8 && <0.11
+    , http-client >=0.4.31 && <0.6
     , http-client-tls >=0.2.4 && <0.4
-    , http-types >=0.9 && <0.13
-    , mime-types >=0.1 && <0.2
-    , optparse-generic >=1.1 && <1.4
+    , http-types >=0.9.1 && <0.13
+    , mime-types >=0.1.0 && <0.2
+    , optparse-generic >=1.1.1 && <1.4
     , text >=1.2.2 && <1.3
-    , unordered-containers >=0.2.5 && <0.3
-    , uri-templater >=0.2 && <0.4
+    , unordered-containers >=0.2.7 && <0.3
+    , uri-templater >=0.2.1 && <0.4
+  if impl(ghc >= 8.4)
+    ghc-options: -Wno-partial-fields
   exposed-modules:
       GitHubRelease
   other-modules:
@@ -44,13 +46,25 @@
   default-language: Haskell2010
 
 executable github-release
-  main-is: github-release.hs
+  main-is: Main.hs
   hs-source-dirs:
       executables
-  ghc-options: -Wall -rtsopts -threaded -with-rtsopts=-N
+  ghc-options: -Weverything -Wno-implicit-prelude -Wno-safe -Wno-unsafe -rtsopts -threaded
   build-depends:
-      base >=4.8.2 && <4.11
+      aeson >=0.11.2 && <0.12 || >=1.0.2 && <1.3
+    , base >=4.9.0 && <4.12
+    , bytestring >=0.10.8 && <0.11
     , github-release
+    , http-client >=0.4.31 && <0.6
+    , http-client-tls >=0.2.4 && <0.4
+    , http-types >=0.9.1 && <0.13
+    , mime-types >=0.1.0 && <0.2
+    , optparse-generic >=1.1.1 && <1.4
+    , text >=1.2.2 && <1.3
+    , unordered-containers >=0.2.7 && <0.3
+    , uri-templater >=0.2.1 && <0.4
+  if impl(ghc >= 8.4)
+    ghc-options: -Wno-partial-fields
   other-modules:
       Paths_github_release
   default-language: Haskell2010
diff --git a/library/GitHubRelease.hs b/library/GitHubRelease.hs
--- a/library/GitHubRelease.hs
+++ b/library/GitHubRelease.hs
@@ -3,7 +3,20 @@
 {-# LANGUAGE ScopedTypeVariables #-}
 {-# LANGUAGE TypeOperators #-}
 
-module GitHubRelease where
+module GitHubRelease
+  ( Command(..)
+  , main
+  , runCommand
+  , upload
+  , getUploadUrl
+  , getTag
+  , authorizationHeader
+  , userAgentHeader
+  , userAgent
+  , versionString
+  , uploadFile
+  , uploadBody
+  ) where
 
 import Options.Generic (type (<?>))
 
@@ -104,15 +117,16 @@
         Just _ -> IO.hPutStrLn IO.stderr "Ignoring --owner option."
       pure (anOwner, drop 1 aRepo)
   let format = "https://api.github.com/repos/%s/%s/releases/tags/%s"
-  let url = Printf.printf format anOwner aRepo aTag
+  let
+    url :: String
+    url = Printf.printf format anOwner aRepo aTag
   initialRequest <- Client.parseRequest url
   let request =
         initialRequest
         {Client.requestHeaders = [authorizationHeader aToken, userAgentHeader]}
   response <- Client.httpLbs request manager
   let body = Client.responseBody response
-  let json = Aeson.eitherDecode body
-  return json
+  return (Aeson.eitherDecode body)
 
 authorizationHeader :: String -> HTTP.Header
 authorizationHeader aToken =
@@ -147,10 +161,11 @@
   -> String
   -> IO (Client.Response BSL.ByteString)
 uploadBody manager template aToken body aName = do
-  let url =
-        Template.render
-          template
-          [("name", Template.WrappedValue (Template.Single aName))]
+  let
+    url :: String
+    url = Template.render
+      template
+      [("name", Template.WrappedValue (Template.Single aName))]
   initialRequest <- Client.parseRequest url
   let request =
         initialRequest