diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Revision history for hadoop-streaming
 
+## 0.2.0.1 -- 2020-04-06
+
+* Add test files to the tarball.
+
 ## 0.2.0.1 -- 2020-04-05
 
 * Fix a broken link.
diff --git a/hadoop-streaming.cabal b/hadoop-streaming.cabal
--- a/hadoop-streaming.cabal
+++ b/hadoop-streaming.cabal
@@ -1,7 +1,7 @@
 cabal-version:       2.4
 
 name:                hadoop-streaming
-version:             0.2.0.1
+version:             0.2.0.2
 synopsis:            A simple Hadoop streaming library
 description:
   A simple Hadoop streaming library based on <https://hackage.haskell.org/package/conduit conduit>,
@@ -21,6 +21,8 @@
 extra-source-files:
     CHANGELOG.md
     README.md
+    test/resource/*.in
+    test/resource/*.out
 
 source-repository head
   type: git
diff --git a/test/hspec/HadoopStreamingSpec.hs b/test/hspec/HadoopStreamingSpec.hs
--- a/test/hspec/HadoopStreamingSpec.hs
+++ b/test/hspec/HadoopStreamingSpec.hs
@@ -22,7 +22,7 @@
   describe "Testing HadoopStreaming" $ do
     it "test case 1 - mapper" $ do
       let fin = "test/resource/1.in"
-          fout = "test/resource/1.mapper-out"
+          fout = "test/resource/1.mapper.out"
       actual <- withFile fin ReadMode $ \hin ->
         withTempFile $ \temp -> do
           withFile temp WriteMode $ \hout -> do
@@ -43,7 +43,7 @@
 
     it "test case 1 - reducer" $ do
       let fin = "test/resource/1.in"
-          fout = "test/resource/1.reducer-out"
+          fout = "test/resource/1.reducer.out"
       actual <- withFile fin ReadMode $ \hin ->
         withTempFile $ \temp -> do
           withFile temp WriteMode $ \hout -> do
@@ -64,7 +64,7 @@
 
     it "test case 1 - mapper - odd keys" $ do
       let fin = "test/resource/1.in"
-          fout = "test/resource/1.mapper-out-oddkeys"
+          fout = "test/resource/1.mapper.oddkeys.out"
       actual <- withFile fin ReadMode $ \hin ->
         withTempFile $ \temp -> do
           withFile temp WriteMode $ \hout -> do
diff --git a/test/resource/1.in b/test/resource/1.in
new file mode 100644
--- /dev/null
+++ b/test/resource/1.in
@@ -0,0 +1,6 @@
+(3,8)
+(3,9)
+(3,10)
+(4,5)
+(4,6)
+(5,10)
diff --git a/test/resource/1.mapper.oddkeys.out b/test/resource/1.mapper.oddkeys.out
new file mode 100644
--- /dev/null
+++ b/test/resource/1.mapper.oddkeys.out
@@ -0,0 +1,4 @@
+1003, 108
+1003, 109
+1003, 110
+1005, 110
diff --git a/test/resource/1.mapper.out b/test/resource/1.mapper.out
new file mode 100644
--- /dev/null
+++ b/test/resource/1.mapper.out
@@ -0,0 +1,6 @@
+1003, 108
+1003, 109
+1003, 110
+1004, 105
+1004, 106
+1005, 110
diff --git a/test/resource/1.reducer.out b/test/resource/1.reducer.out
new file mode 100644
--- /dev/null
+++ b/test/resource/1.reducer.out
@@ -0,0 +1,3 @@
+3, 27
+4, 11
+5, 10