diff --git a/app/toyconvert.hs b/app/toyconvert.hs
index c207e80d..b5fc3f5e 100644
--- a/app/toyconvert.hs
+++ b/app/toyconvert.hs
@@ -32,8 +32,13 @@ import Options.Applicative
 import System.IO
 import System.Exit
 import System.FilePath
+#if MIN_VERSION_optparse_applicative(0,18,0)
+import Prettyprinter ((<+>))
+import qualified Prettyprinter as PP
+#else
 import Text.PrettyPrint.ANSI.Leijen ((<+>))
 import qualified Text.PrettyPrint.ANSI.Leijen as PP
+#endif
 
 import qualified Data.PseudoBoolean as PBFile
 import qualified Numeric.Optimization.MIP as MIP
@@ -215,6 +220,20 @@ parserInfo = info (helper <*> versionOption <*> optionsParser)
       <> long "version"
       <> help "Show version"
 
+#if MIN_VERSION_optparse_applicative(0,18,0)
+
+supportedFormatsDoc :: PP.Doc ann
+supportedFormatsDoc =
+  PP.vsep
+  [ PP.pretty "Supported formats:"
+  , PP.indent 2 $ PP.vsep
+      [ PP.pretty "input:"  <+> (PP.align $ PP.fillSep $ map PP.pretty $ words ".cnf .wcnf .opb .wbo .gcnf .lp .mps .qubo")
+      , PP.pretty "output:" <+> (PP.align $ PP.fillSep $ map PP.pretty $ words ".cnf .wcnf .opb .wbo .lsp .lp .mps .smp .smt2 .ys .qubo")
+      ]
+  ]
+
+#else
+
 supportedFormatsDoc :: PP.Doc
 supportedFormatsDoc =
   PP.vsep
@@ -225,6 +244,8 @@ supportedFormatsDoc =
       ]
   ]
 
+#endif
+
 data Problem
   = ProbOPB PBFile.Formula
   | ProbWBO PBFile.SoftFormula
diff --git a/toysolver.cabal b/toysolver.cabal
index cadee94b..205e92f6 100644
--- a/toysolver.cabal
+++ b/toysolver.cabal
@@ -560,7 +560,7 @@ Executable toyconvert
   if flag(optparse-applicative-018)
     Build-Depends:
       optparse-applicative >=0.18,
-      ansi-wl-pprint >=1.0
+      prettyprinter >=1
   else
     Build-Depends:
       optparse-applicative <0.18,