diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,10 @@
+0.2.11
+======
+
+*   Added support for Cabal-1.18. This is supposed to make the build more
+    robust and simplify integration with existing build infrastructure
+    and other packages.
+
 0.2.10
 ======
 
diff --git a/Setup.hs b/Setup.hs
--- a/Setup.hs
+++ b/Setup.hs
@@ -2,7 +2,9 @@
 -- Copyright © 2014 AlephCloud Systems, Inc.
 -- ------------------------------------------------------ --
 
+{-# LANGUAGE CPP #-}
 {-# LANGUAGE OverloadedStrings #-}
+{-# LANGUAGE ScopedTypeVariables #-}
 
 {-# OPTIONS_HADDOCK show-extensions #-}
 
@@ -130,6 +132,16 @@
 import System.Directory (doesFileExist, doesDirectoryExist, createDirectoryIfMissing)
 import System.Exit (ExitCode(ExitSuccess))
 
+#ifndef MIN_VERSION_Cabal
+#define NO_CABAL_MACROS 1
+#define MIN_VERSION_Cabal(a,b,c) 0
+#endif
+
+#ifdef NO_CABAL_MACROS
+import Data.Maybe
+import Data.Typeable
+#endif
+
 -- | Include this function when your setup doesn't contain any
 -- extra functionality.
 --
@@ -331,12 +343,37 @@
     fileName = pkgInfoFileName cName bInfo
 
 licenseFilesText :: PackageDescription -> IO B.ByteString
-licenseFilesText PackageDescription{ licenseFiles = fileNames } =
-    B.intercalate "\n------------------------------------------------------------\n" <$> mapM fileText fileNames
+licenseFilesText pkgDesc =
+    B.intercalate "\n------------------------------------------------------------\n" <$> mapM fileText
+#ifdef NO_CABAL_MACROS
+        (getLicenseFiles pkgDesc)
+#elif MIN_VERSION_Cabal(1,20,0)
+        (licenseFiles pkgDesc)
+#else
+        [licenseFile pkgDesc]
+#endif
   where
     fileText file = doesFileExist file >>= \x -> if x
         then B.readFile file
         else return ""
+
+#ifdef NO_CABAL_MACROS
+-- The name and the type of the @licenseFile :: String@ field of 'PackageDescription' changed
+-- in Cabal version 1.20 to @licenseFiles :: [String]@. Both versions are used with GHC-7.8.
+-- When compiling @Setup.hs@ the @MIN_VERSION_...@ macros are not available. This function is an
+-- ugly hack to do conditional compilation without CPP.
+--
+-- It will break if the number of record fields changes. If that's the case we will probably
+-- have to either
+--
+-- * Use typeable to pattern match on the number of constructor arguments for 'PackageDescription',
+-- * use TH hacks ala @$( if versionBranch cabalVersion < [...] ... )@, and/or
+-- * make guesses about the cabal version based on the @__GLASGOW_HASKELL__@ macro.
+--
+getLicenseFiles :: PackageDescription -> [FilePath]
+getLicenseFiles (PackageDescription _ _ l _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _) =
+    fromMaybe (error "unsupport Cabal library version") $ cast l <|> (return <$> cast l)
+#endif
 
 hgInfo :: IO (String, String, String)
 hgInfo = do
diff --git a/configuration-tools.cabal b/configuration-tools.cabal
--- a/configuration-tools.cabal
+++ b/configuration-tools.cabal
@@ -3,7 +3,7 @@
 -- ------------------------------------------------------ --
 
 Name:                configuration-tools
-Version:             0.2.10
+Version:             0.2.11
 Synopsis:            Tools for specifying and parsing configurations
 description:
     Tools for specifying and parsing configurations
@@ -37,7 +37,7 @@
 Category:            Configuration, Console
 Build-type:          Custom
 
-cabal-version:  >= 1.20
+cabal-version:  >= 1.18
 
 extra-doc-files:
     README.md,
@@ -54,7 +54,7 @@
 source-repository this
     type: git
     location: https://github.com/alephcloud/hs-configuration-tools.git
-    tag: 0.2.10
+    tag: 0.2.11
 
 flag remote-configs
     Description: enable loading of configuration files from HTTP URLs
@@ -82,7 +82,7 @@
             Configuration.Utils.Internal.HttpsCertPolicy
 
     build-depends:
-        Cabal >= 1.20,
+        Cabal >= 1.18,
         aeson >= 0.7.0.6,
         ansi-wl-pprint >= 0.6,
         attoparsec >= 0.11.3.4,
@@ -140,7 +140,7 @@
         base >= 4.6 && < 5.0,
         base-unicode-symbols >= 0.2.2.4,
         bytestring >= 0.10,
-        Cabal >= 1.20,
+        Cabal >= 1.18,
         configuration-tools,
         errors >= 1.4.3,
         mtl >= 2.2,
diff --git a/src/Configuration/Utils/Setup.hs b/src/Configuration/Utils/Setup.hs
--- a/src/Configuration/Utils/Setup.hs
+++ b/src/Configuration/Utils/Setup.hs
@@ -2,7 +2,9 @@
 -- Copyright © 2014 AlephCloud Systems, Inc.
 -- ------------------------------------------------------ --
 
+{-# LANGUAGE CPP #-}
 {-# LANGUAGE OverloadedStrings #-}
+{-# LANGUAGE ScopedTypeVariables #-}
 
 {-# OPTIONS_HADDOCK show-extensions #-}
 
@@ -130,6 +132,16 @@
 import System.Directory (doesFileExist, doesDirectoryExist, createDirectoryIfMissing)
 import System.Exit (ExitCode(ExitSuccess))
 
+#ifndef MIN_VERSION_Cabal
+#define NO_CABAL_MACROS 1
+#define MIN_VERSION_Cabal(a,b,c) 0
+#endif
+
+#ifdef NO_CABAL_MACROS
+import Data.Maybe
+import Data.Typeable
+#endif
+
 -- | Include this function when your setup doesn't contain any
 -- extra functionality.
 --
@@ -331,12 +343,37 @@
     fileName = pkgInfoFileName cName bInfo
 
 licenseFilesText :: PackageDescription -> IO B.ByteString
-licenseFilesText PackageDescription{ licenseFiles = fileNames } =
-    B.intercalate "\n------------------------------------------------------------\n" <$> mapM fileText fileNames
+licenseFilesText pkgDesc =
+    B.intercalate "\n------------------------------------------------------------\n" <$> mapM fileText
+#ifdef NO_CABAL_MACROS
+        (getLicenseFiles pkgDesc)
+#elif MIN_VERSION_Cabal(1,20,0)
+        (licenseFiles pkgDesc)
+#else
+        [licenseFile pkgDesc]
+#endif
   where
     fileText file = doesFileExist file >>= \x -> if x
         then B.readFile file
         else return ""
+
+#ifdef NO_CABAL_MACROS
+-- The name and the type of the @licenseFile :: String@ field of 'PackageDescription' changed
+-- in Cabal version 1.20 to @licenseFiles :: [String]@. Both versions are used with GHC-7.8.
+-- When compiling @Setup.hs@ the @MIN_VERSION_...@ macros are not available. This function is an
+-- ugly hack to do conditional compilation without CPP.
+--
+-- It will break if the number of record fields changes. If that's the case we will probably
+-- have to either
+--
+-- * Use typeable to pattern match on the number of constructor arguments for 'PackageDescription',
+-- * use TH hacks ala @$( if versionBranch cabalVersion < [...] ... )@, and/or
+-- * make guesses about the cabal version based on the @__GLASGOW_HASKELL__@ macro.
+--
+getLicenseFiles :: PackageDescription -> [FilePath]
+getLicenseFiles (PackageDescription _ _ l _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _) =
+    fromMaybe (error "unsupport Cabal library version") $ cast l <|> (return <$> cast l)
+#endif
 
 hgInfo :: IO (String, String, String)
 hgInfo = do