diff --git a/cabal-debian.cabal b/cabal-debian.cabal
--- a/cabal-debian.cabal
+++ b/cabal-debian.cabal
@@ -1,5 +1,5 @@
 Name:           cabal-debian
-Version:        4.36
+Version:        4.36.1
 Copyright:      Copyright (c) 2007-2014, David Fox, Jeremy Shaw
 License:        BSD3
 License-File:   LICENSE
@@ -157,7 +157,7 @@
 Library
   Default-Language: Haskell2010
   Hs-Source-Dirs: src
-  GHC-Options: -Wall -O2
+  GHC-Options: -Wall
   Build-Depends:
     base < 5,
     bifunctors,
@@ -230,7 +230,7 @@
   Default-Language: Haskell2010
   Hs-Source-Dirs: .
   Main-is: CabalDebian.hs
-  ghc-options: -threaded -Wall -O2
+  ghc-options: -threaded -Wall
   Build-Depends:
     base,
     cabal-debian,
@@ -251,7 +251,7 @@
   Type: exitcode-stdio-1.0
   Hs-Source-Dirs: .
   Main-is: Tests.hs
-  ghc-options: -threaded -Wall -O2
+  ghc-options: -threaded -Wall
   Build-Depends:
     base < 5,
     cabal-debian,
diff --git a/src/Debian/Debianize/BuildDependencies.hs b/src/Debian/Debianize/BuildDependencies.hs
--- a/src/Debian/Debianize/BuildDependencies.hs
+++ b/src/Debian/Debianize/BuildDependencies.hs
@@ -137,10 +137,10 @@
        binDeps <- allBuildDepends (List.map buildInfo (Cabal.executables pkgDesc))
        testDeps <- allBuildDepends (List.map testBuildInfo (Cabal.testSuites pkgDesc))
 
-       liftIO (putStrLn ("library dependencies: " ++ show libDeps))
-       liftIO (putStrLn ("executable dependencies: " ++ show binDeps))
-       liftIO (putStrLn (intercalate "\n  " ("executables:" :  fmap show (Cabal.executables pkgDesc))))
-       liftIO (putStrLn ("test suite dependencies: " ++ show testDeps))
+       -- liftIO (putStrLn ("library dependencies: " ++ show libDeps))
+       -- liftIO (putStrLn ("executable dependencies: " ++ show binDeps))
+       -- liftIO (putStrLn (intercalate "\n  " ("executables:" :  fmap show (Cabal.executables pkgDesc))))
+       -- liftIO (putStrLn ("test suite dependencies: " ++ show testDeps))
 
        testsStatus <- use (A.debInfo . D.testsStatus)
 
diff --git a/src/Debian/Debianize/Finalize.hs b/src/Debian/Debianize/Finalize.hs
--- a/src/Debian/Debianize/Finalize.hs
+++ b/src/Debian/Debianize/Finalize.hs
@@ -42,7 +42,7 @@
 import Debian.Debianize.VersionSplits (DebBase(DebBase))
 import Debian.GHC (compilerPackageName)
 import Debian.Orphans ()
-import Debian.Policy (getCurrentDebianUser, getDebhelperCompatLevel, haskellMaintainer, maintainerOfLastResort, PackageArchitectures(Any, All), PackagePriority(Extra), parseMaintainer, parseStandardsVersion, Section(..), SourceFormat(Native3))
+import Debian.Policy (getCurrentDebianUser, getDebhelperCompatLevel, haskellMaintainer, maintainerOfLastResort, PackageArchitectures(Any, All), PackagePriority(Optional), parseMaintainer, parseStandardsVersion, Section(..), SourceFormat(Native3))
 import Debian.Pretty (PP(..), ppShow)
 import Debian.Relation (BinPkgName, BinPkgName(BinPkgName), Relation(Rel), Relations, SrcPkgName(SrcPkgName))
 import qualified Debian.Relation as D (BinPkgName(BinPkgName), Relation(..))
@@ -125,7 +125,7 @@
        addExtraLibDependencies hc
        (A.debInfo . D.watch) .?= Just (watchAtom (pkgName $ Cabal.package $ pkgDesc))
        (A.debInfo . D.control . S.section) .?= Just (MainSection "haskell")
-       (A.debInfo . D.control . S.priority) .?= Just Extra
+       (A.debInfo . D.control . S.priority) .?= Just Optional
        (A.debInfo . D.compat) .?= debhelperCompat
        finalizeChangelog date currentUser
        finalizeControl currentUser
@@ -388,7 +388,7 @@
 
         let packagesURI = "https://anonscm.debian.org/cgit/pkg-haskell/DHG_packages.git/tree/p/" <> pack src
         zoom D.control $ do
-           S.standardsVersion .?= Just (parseStandardsVersion "3.9.8")
+           S.standardsVersion .?= Just (parseStandardsVersion "4.1.1")
 #if MIN_VERSION_Cabal(2,0,0)
            S.homepage .?= Just ("http://hackage.haskell.org/package/" <> pack (unPackageName cabal))
 #else
diff --git a/src/Debian/Debianize/Prelude.hs b/src/Debian/Debianize/Prelude.hs
--- a/src/Debian/Debianize/Prelude.hs
+++ b/src/Debian/Debianize/Prelude.hs
@@ -44,6 +44,7 @@
     , module Distribution.Package
 #else
     , module Data.Version
+    , mkFlagName
     , mkPackageName
     , mkVersion
     , mkVersion'
@@ -75,10 +76,11 @@
 import Debian.Relation.Common ()
 import Debian.Version (DebianVersion, parseDebianVersion', prettyDebianVersion)
 #if MIN_VERSION_Cabal(2,0,0)
-import Distribution.Package (PackageIdentifier(..), PackageName, unPackageName)
+import Distribution.Package (PackageIdentifier(..), PackageName, mkPackageName, unPackageName)
 import Distribution.Version
 #else
 import Distribution.Package (PackageIdentifier(..), PackageName(..))
+import Distribution.PackageDescription (FlagName(..))
 import Data.Version
 #endif
 import Distribution.Verbosity (intToVerbosity, Verbosity)
@@ -365,6 +367,8 @@
 escapeDebianWildcards "" = ""
 
 #if !MIN_VERSION_Cabal(2,0,0)
+mkFlagName :: String -> FlagName
+mkFlagName = FlagName
 mkPackageName :: String -> PackageName
 mkPackageName = PackageName
 mkVersion :: [Int] -> Version