diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+# 1.0.0.0
+
+  * Conform to archive-sig 1.0.0.0
+
 # 0.1.0.0
 
   * Initial release
diff --git a/archive-tar-bytestring.cabal b/archive-tar-bytestring.cabal
--- a/archive-tar-bytestring.cabal
+++ b/archive-tar-bytestring.cabal
@@ -1,6 +1,6 @@
 cabal-version:   2.0
 name:            archive-tar-bytestring
-version:         0.1.0.0
+version:         1.0.0.0
 license:         BSD3
 license-file:    LICENSE
 copyright:       Copyright: (c) 2020 Vanessa McHale
@@ -50,3 +50,6 @@
 
     if impl(ghc >=8.4)
         ghc-options: -Wmissing-export-lists
+
+    if impl(ghc >=8.10)
+        ghc-options: -Wunused-packages
diff --git a/src/Archive/Tar.cpphs b/src/Archive/Tar.cpphs
--- a/src/Archive/Tar.cpphs
+++ b/src/Archive/Tar.cpphs
@@ -2,11 +2,13 @@
 
 module Archive.Tar ( Entry
                    , Error
+                   , FP
                    , writeArchiveBytes
-                   , unpackToDir
+                   , unpackToDirRaw
                    , readArchiveBytes
-                   , packFiles
+                   , packFilesRaw
                    , versionInfo
+                   , toFP
                    ) where
 
 import           Codec.Archive.Tar                (Entries (..))
@@ -23,9 +25,11 @@
 
 type Error = Tar.FormatError
 
-convertFilePath :: FilePath -> RawFilePath
-convertFilePath = encodeUtf8 . T.pack
+type FP = RawFilePath
 
+toFP :: FilePath -> FP
+toFP = encodeUtf8 . T.pack
+
 coerceToList :: Entries a -> Either a [Entry]
 coerceToList (Next e es) = (e :) <$> coerceToList es
 coerceToList Done        = Right []
@@ -37,11 +41,11 @@
 readArchiveBytes :: BSL.ByteString -> Either Error [Entry]
 readArchiveBytes = coerceToList . Tar.read
 
-unpackToDir :: FilePath -> BSL.ByteString -> IO ()
-unpackToDir = Tar.read .@ Tar.unpack . convertFilePath
+unpackToDirRaw :: FP -> BSL.ByteString -> IO ()
+unpackToDirRaw = Tar.read .@ Tar.unpack
 
-packFiles :: [FilePath] -> IO BSL.ByteString
-packFiles = fmap Tar.write . Tar.pack "." . fmap convertFilePath
+packFilesRaw :: [FP] -> IO BSL.ByteString
+packFilesRaw = fmap Tar.write . Tar.pack "."
 
 versionInfo :: String
 versionInfo = "tar-bytestring: " ++ VERSION_tar_bytestring ++ "\narchive-tar-bytestring: " ++ V.showVersion P.version