diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,8 @@
+# 0.4.1 (2020-04-12)
+
+- Set resolver to LTS 15.8 (a79cb02)
+  * Allow Cabal > 2.2
+
 # 0.4.0 (2020-02-16)
 
 ## Enhancements
diff --git a/app/Main.hs b/app/Main.hs
--- a/app/Main.hs
+++ b/app/Main.hs
@@ -21,7 +21,6 @@
 -- base
 import Control.Monad
 import Data.List
-import Data.Monoid ((<>))
 import qualified Data.Version as Version
 import System.Environment
 import qualified System.Exit as Exit
@@ -90,15 +89,15 @@
           else
             Exit.die "Error: No Cabal file found."
 
-      Just PackageDescription { license, package } -> do
+      Just pd -> do
         putStrLn $
           "Package: "
-            <> display package
+            <> display (package pd)
             <> " ("
             <> "License: "
-            <> display license
+            <> display (license pd)
             <> ")"
-        pure (Just package)
+        pure (Just $ package pd)
 
   maybeDependencies <- getDependencies
   maybeLicenses <- getLicenses
@@ -111,16 +110,16 @@
       let dependenciesByLicense = fmap (Set.map display) dependenciesByLicense'
 
       forM_ (Map.keys dependenciesByLicense) $
-        \license ->
+        \li ->
           let
-            n = dependenciesByLicense Map.! license
+            n = dependenciesByLicense Map.! li
           in do
             putStrLn "-----"
             putStrLn $
               show (Set.size n)
                 <> (if Set.size n == 1 then " package " else " packages ")
                 <> "licensed under "
-                <> display license
+                <> display li
                 <> ": "
                 <> intercalate ", " (Set.toList n)
 
diff --git a/licensor.cabal b/licensor.cabal
--- a/licensor.cabal
+++ b/licensor.cabal
@@ -4,10 +4,10 @@
 --
 -- see: https://github.com/sol/hpack
 --
--- hash: b5e0234d196e96476a6a70c11798ae1dd4fd24ca9ce1c11ea74d6b3422604fc8
+-- hash: 6f7bb1fb7f37e3f143f35b05d83e6602a069aca2b14389e3e7ee6fe2a7b294bd
 
 name:           licensor
-version:        0.4.0
+version:        0.4.1
 synopsis:       A license compatibility helper
 description:    A license compatibility helper.
 category:       Distribution
@@ -37,8 +37,8 @@
       src
   ghc-options: -Wall
   build-depends:
-      Cabal >=1.22 && <2.1
-    , base >=4.8 && <4.11
+      Cabal
+    , base >=4.8 && <5
     , containers
     , directory
     , process
@@ -52,9 +52,9 @@
       app
   ghc-options: -Wall -threaded -rtsopts -with-rtsopts=-N
   build-depends:
-      Cabal >=1.22 && <2.1
-    , base >=4.8 && <4.11
-    , cmdargs >=0.10 && <0.11
+      Cabal
+    , base >=4.8 && <5
+    , cmdargs
     , containers
     , directory
     , licensor
diff --git a/src/Licensor.hs b/src/Licensor.hs
--- a/src/Licensor.hs
+++ b/src/Licensor.hs
@@ -30,9 +30,10 @@
 import Distribution.License (License)
 import Distribution.Package (PackageIdentifier(..), PackageName)
 import Distribution.PackageDescription (PackageDescription, packageDescription)
-import Distribution.PackageDescription.Parse (readGenericPackageDescription)
+import Distribution.PackageDescription.Parsec (readGenericPackageDescription)
+import Distribution.Pretty (Pretty)
 import Distribution.Simple.Utils (comparing, findPackageDesc)
-import Distribution.Text (Text, display, simpleParse)
+import Distribution.Text (display, simpleParse)
 import Distribution.Verbosity (silent)
 
 -- containers
@@ -56,7 +57,7 @@
 --
 
 newtype LiLicense = LiLicense { getLicense :: License }
-  deriving (Eq, Read, Show, Text)
+  deriving (Eq, Read, Show, Pretty)
 
 
 -- |