diff --git a/hufflepdf.cabal b/hufflepdf.cabal
index 9685fc0..d455b00 100644
--- a/hufflepdf.cabal
+++ b/hufflepdf.cabal
@@ -18,13 +18,16 @@ cabal-version:       >=1.10
 library
   exposed-modules:     PDF
                      , PDF.Body
+                     , PDF.EOL
                      , PDF.Object
+                     , PDF.Output
                      , Data.ByteString.Lazy.Char8.Util
   other-modules:       
   -- other-extensions:    
   build-depends:       base >=4.9 && <4.13
                      , bytestring
                      , containers
+                     , mtl
                      , parsec
   hs-source-dirs:      src
   ghc-options:         -Wall