diff --git a/ats-pkg.cabal b/ats-pkg.cabal
--- a/ats-pkg.cabal
+++ b/ats-pkg.cabal
@@ -1,6 +1,6 @@
 cabal-version: 1.18
 name: ats-pkg
-version: 2.11.0.7
+version: 2.11.0.8
 license: BSD3
 license-file: LICENSE
 copyright: Copyright: (c) 2018 Vanessa McHale
@@ -102,7 +102,7 @@
         containers -any,
         parallel-io -any,
         mtl -any,
-        dhall >=1.14.0,
+        dhall >=1.15.0,
         ansi-wl-pprint -any,
         shake-ats >=1.8.0.0,
         shake-ext >=3.0.0.0,
diff --git a/src/Language/ATS/Package/Build.hs b/src/Language/ATS/Package/Build.hs
--- a/src/Language/ATS/Package/Build.hs
+++ b/src/Language/ATS/Package/Build.hs
@@ -13,6 +13,7 @@
 import qualified Data.ByteString                 as BS
 import qualified Data.ByteString.Lazy            as BSL
 import           Data.List                       (intercalate)
+import qualified Data.Text                       as T
 import           Development.Shake               (alwaysRerun, getVerbosity)
 import           Development.Shake.ATS
 import           Development.Shake.C             (ccFromString)
@@ -118,7 +119,7 @@
     d <- fromMaybe <$> fmap (</> "atspkg.dhall") getCurrentDirectory <*> pure dir'
     b <- not <$> doesFileExist ".atspkg/config"
     if b
-        then input auto (pack d)
+        then input auto (T.pack d)
         else fmap (decode . BSL.fromStrict) . BS.readFile $ ".atspkg/config"
 
 manTarget :: Text -> FilePath
diff --git a/src/Language/ATS/Package/Config.hs b/src/Language/ATS/Package/Config.hs
--- a/src/Language/ATS/Package/Config.hs
+++ b/src/Language/ATS/Package/Config.hs
@@ -9,7 +9,7 @@
 
 import qualified Data.ByteString.Lazy as BSL
 import           Data.FileEmbed
-import qualified Data.Text.Lazy       as TL
+import qualified Data.Text            as T
 import           Quaalude
 
 data UserConfig = UserConfig { defaultPkgs    :: Text
@@ -50,7 +50,7 @@
 
             cfgBin' %> \_ -> do
                 need [cfg]
-                cfgContents <- liftIO $ input auto (TL.pack cfg)
+                cfgContents <- liftIO $ input auto (T.pack cfg)
                 liftIO $ BSL.writeFile cfgBin' (encode (cfgContents :: UserConfig))
 
 readUserConfig :: FilePath -> FilePath -> Rules ()
diff --git a/src/Language/ATS/Package/Debian.hs b/src/Language/ATS/Package/Debian.hs
--- a/src/Language/ATS/Package/Debian.hs
+++ b/src/Language/ATS/Package/Debian.hs
@@ -13,10 +13,9 @@
 import           Data.Dependency            (Version (..))
 import           Data.Hashable              (Hashable)
 import           Data.List                  (intercalate)
-import           Data.Text.Lazy             (Text)
 import           Development.Shake          hiding ((*>))
 import           Development.Shake.FilePath
-import           Dhall
+import           Dhall                      hiding (Text)
 import           Quaalude
 
 data Debian = Debian { package     :: Text
diff --git a/src/Language/ATS/Package/Dhall.hs b/src/Language/ATS/Package/Dhall.hs
--- a/src/Language/ATS/Package/Dhall.hs
+++ b/src/Language/ATS/Package/Dhall.hs
@@ -3,6 +3,7 @@
                                   ) where
 
 import           Data.Dependency
+import qualified Data.Text                       as T
 import           Language.ATS.Package.PackageSet
 import           Language.ATS.Package.Type
 import           Quaalude
@@ -19,7 +20,7 @@
            -> IO a
 checkDhall path d =
     bool id detailed d $
-        input auto (pack ('.' : pathSeparator : path))
+        input auto (T.pack ('.' : pathSeparator : path))
 
 checkPkgSet :: FilePath -- ^ Path to @.dhall@ file defining a package set.
             -> Bool -- ^ Whether to print detailed error messages.
diff --git a/src/Language/ATS/Package/PackageSet.hs b/src/Language/ATS/Package/PackageSet.hs
--- a/src/Language/ATS/Package/PackageSet.hs
+++ b/src/Language/ATS/Package/PackageSet.hs
@@ -12,6 +12,7 @@
 import           Data.Dependency
 import qualified Data.Map                   as M
 import qualified Data.Set                   as S
+import qualified Data.Text                  as T
 import           Language.ATS.Package.Error
 import           Language.ATS.Package.Type
 import           Quaalude
@@ -39,7 +40,7 @@
 listDeps :: Bool -- ^ Whether to sort dependencies
          -> String -- ^ URL of package set
          -> IO ATSPackageSet
-listDeps b = fmap s . input auto . pack
+listDeps b = fmap s . input auto . T.pack
     where s = bool id s' b
           s' = over atsPkgSet (sortBy (compare `on` libName))
 
diff --git a/src/Quaalude.cpphs b/src/Quaalude.cpphs
--- a/src/Quaalude.cpphs
+++ b/src/Quaalude.cpphs
@@ -132,11 +132,11 @@
 import           Data.List
 import           Data.Maybe                   (fromMaybe)
 import           Data.Semigroup
-import           Data.Text.Lazy               (pack, unpack)
+import           Data.Text.Lazy               (Text, pack, unpack)
 import           Data.Version                 (showVersion)
 import           Development.Shake            hiding (getEnv)
 import           Development.Shake.FilePath
-import           Dhall                        hiding (bool)
+import           Dhall                        hiding (bool, Text)
 import           Lens.Micro                   hiding (both)
 import           Lens.Micro.Extras
 import           Network.HTTP.Client