diff --git a/README.md b/README.md
--- a/README.md
+++ b/README.md
@@ -5,7 +5,7 @@
 [![Hackage](https://img.shields.io/hackage/v/thank-you-stars.svg)](https://hackage.haskell.org/package/thank-you-stars)
 
 A tool for starring GitHub repositories. It detects dependent libraries
-which are hosted on GitHub via `.cabal` file,
+which are hosted on GitHub via `.cabal` files,
 and stars the repositories all at once.
 
 Setup
diff --git a/app/Main.hs b/app/Main.hs
--- a/app/Main.hs
+++ b/app/Main.hs
@@ -1,12 +1,12 @@
 module Main (main) where
 
-import Utils.ThankYouStars.GitHub
-import Utils.ThankYouStars.Package
+import           Utils.ThankYouStars.GitHub
+import           Utils.ThankYouStars.Package
 
-import qualified Data.Set          as S
-import           System.Exit       ( die )
-import           System.Directory  ( getHomeDirectory )
-import           System.FilePath   ( joinPath )
+import qualified Data.Set                    as S
+import           System.Directory            (getHomeDirectory)
+import           System.Exit                 (die)
+import           System.FilePath             (joinPath)
 
 main :: IO ()
 main = do
diff --git a/src/Utils/ThankYouStars/GitHub.hs b/src/Utils/ThankYouStars/GitHub.hs
--- a/src/Utils/ThankYouStars/GitHub.hs
+++ b/src/Utils/ThankYouStars/GitHub.hs
@@ -8,16 +8,16 @@
     , starRepo
     ) where
 
-import           Control.Exception     ( catch, throwIO )
+import           Control.Exception     (catch, throwIO)
 import           Data.Aeson
-import           Data.ByteString       ( ByteString )
+import           Data.ByteString       (ByteString)
 import qualified Data.ByteString.Lazy  as BSL
-import           Data.Monoid           ( (<>) )
-import           Data.String           ( fromString )
-import           Data.Text.Encoding    ( encodeUtf8 )
-import           Data.Version          ( showVersion )
+import           Data.Monoid           ((<>))
+import           Data.String           (fromString)
+import           Data.Text.Encoding    (encodeUtf8)
+import           Data.Version          (showVersion)
 import           Network.HTTP.Req
-import           Paths_thank_you_stars ( version )
+import           Paths_thank_you_stars (version)
 
 data Token = Token {
       unToken :: ByteString
@@ -30,8 +30,8 @@
 readToken fp = eitherDecode <$> BSL.readFile fp
 
 data GitHubRepo = GitHubRepo {
-      owner    :: String
-    , repo     :: String
+      owner :: String
+    , repo  :: String
     } deriving ( Eq, Ord )
 
 instance Show GitHubRepo where
diff --git a/src/Utils/ThankYouStars/Package.hs b/src/Utils/ThankYouStars/Package.hs
--- a/src/Utils/ThankYouStars/Package.hs
+++ b/src/Utils/ThankYouStars/Package.hs
@@ -5,28 +5,25 @@
     , readStackIndex
     ) where
 
-import Utils.ThankYouStars.GitHub
+import           Utils.ThankYouStars.GitHub
 
-import           Data.List                             ( isInfixOf, isPrefixOf )
-import           Data.List.Split                       ( splitOneOf )
+import           Data.List                             (isInfixOf, isPrefixOf)
+import           Data.List.Split                       (splitOneOf)
 import qualified Data.Map                              as M
-import qualified Data.Set                              as S
 import           Data.Maybe
-import           Distribution.Hackage.DB               ( Hackage, readHackage' )
+import qualified Data.Set                              as S
+import           Distribution.Hackage.DB               (Hackage, readHackage')
 import           Distribution.Package
 import           Distribution.PackageDescription
-import           Distribution.PackageDescription.Parse ( readPackageDescription )
-import           Distribution.Verbosity                ( normal )
-import           System.Directory                      ( getCurrentDirectory
-                                                       , getAppUserDataDirectory
-                                                       , getPermissions
-                                                       , searchable
-                                                       , listDirectory
-                                                       )
-import           System.FilePath                       ( joinPath
-                                                       , combine
-                                                       , takeExtension
-                                                       )
+import           Distribution.PackageDescription.Parse (readPackageDescription)
+import           Distribution.Verbosity                (normal)
+import           System.Directory                      (getAppUserDataDirectory,
+                                                        getCurrentDirectory,
+                                                        getPermissions,
+                                                        listDirectory,
+                                                        searchable)
+import           System.FilePath                       (combine, joinPath,
+                                                        takeExtension)
 
 allBuildDepends :: GenericPackageDescription -> S.Set PackageName
 allBuildDepends desc =
@@ -63,7 +60,8 @@
 dependentRepos :: Hackage -> GenericPackageDescription -> S.Set GitHubRepo
 dependentRepos db desc = S.map fromJust $ S.filter isJust mRepos
     where
-        pkgs    = S.delete (packageName desc) (allBuildDepends desc)
+        excepts = [PackageName "base", packageName desc]
+        pkgs    = foldr S.delete (allBuildDepends desc) excepts
         mRepos  = S.map (flip lookupRepo $ db) pkgs
 
 toPackageName :: Dependency -> PackageName
diff --git a/test/Utils/ThankYouStars/GitHubSpec.hs b/test/Utils/ThankYouStars/GitHubSpec.hs
--- a/test/Utils/ThankYouStars/GitHubSpec.hs
+++ b/test/Utils/ThankYouStars/GitHubSpec.hs
@@ -1,9 +1,9 @@
-{-# LANGUAGE OverloadedStrings  #-}
+{-# LANGUAGE OverloadedStrings #-}
 module Utils.ThankYouStars.GitHubSpec (spec) where
 
-import Utils.ThankYouStars.GitHub
+import           Utils.ThankYouStars.GitHub
 
-import Test.Hspec
+import           Test.Hspec
 
 spec :: Spec
 spec = do
diff --git a/test/Utils/ThankYouStars/PackageSpec.hs b/test/Utils/ThankYouStars/PackageSpec.hs
--- a/test/Utils/ThankYouStars/PackageSpec.hs
+++ b/test/Utils/ThankYouStars/PackageSpec.hs
@@ -1,11 +1,11 @@
 module Utils.ThankYouStars.PackageSpec (spec) where
 
-import Utils.ThankYouStars.GitHub
-import Utils.ThankYouStars.Package
+import           Utils.ThankYouStars.GitHub
+import           Utils.ThankYouStars.Package
 
-import qualified Data.Set         as S
-import           System.Directory ( getCurrentDirectory )
-import           System.FilePath  ( joinPath )
+import qualified Data.Set                    as S
+import           System.Directory            (getCurrentDirectory)
+import           System.FilePath             (joinPath)
 import           Test.Hspec
 
 spec :: Spec
@@ -34,5 +34,5 @@
                 , GitHubRepo "hspec" "hspec"
                 , GitHubRepo "mrkkrp" "req"
                 , GitHubRepo "byorgey" "split"
-                , GitHubRepo "bos" "text"
+                , GitHubRepo "haskell" "text"
                 ]
diff --git a/thank-you-stars.cabal b/thank-you-stars.cabal
--- a/thank-you-stars.cabal
+++ b/thank-you-stars.cabal
@@ -1,5 +1,5 @@
 name:                thank-you-stars
-version:             0.2.0
+version:             0.3.0
 synopsis:            Give your dependencies stars on GitHub!
 description:
     A tool for starring GitHub repositories. It detects dependent libraries