diff --git a/app/Main.hs b/app/Main.hs
index 830541c..816adc1 100644
--- a/app/Main.hs
+++ b/app/Main.hs
@@ -1,6 +1,6 @@
 module Main where
 
-import Lib
+import GEval
 import System.Environment
 
 main :: IO ()
diff --git a/geval.cabal b/geval.cabal
index 5fba4cd..02a5ab2 100644
--- a/geval.cabal
+++ b/geval.cabal
@@ -15,7 +15,7 @@ cabal-version:       >=1.10
 
 library
   hs-source-dirs:      src
-  exposed-modules:     Lib
+  exposed-modules:     GEval
   build-depends:       base >= 4.7 && < 5
                      , conduit
                      , conduit-combinators
diff --git a/src/Lib.hs b/src/GEval.hs
similarity index 98%
rename from src/Lib.hs
rename to src/GEval.hs
index add2f5c..ba34be4 100644
--- a/src/Lib.hs
+++ b/src/GEval.hs
@@ -1,4 +1,4 @@
-module Lib
+module GEval
     ( geval
     ) where
 
diff --git a/test/Spec.hs b/test/Spec.hs
index 74327b7..9c14fd0 100644
--- a/test/Spec.hs
+++ b/test/Spec.hs
@@ -1,6 +1,6 @@
 import Test.Hspec
 
-import Lib
+import GEval
 import qualified Test.HUnit as HU
 
 main :: IO ()