diff --git a/Makefile.PL b/Makefile.PL
index b66381c..d807fae 100644
--- a/Makefile.PL
+++ b/Makefile.PL
@@ -7,18 +7,22 @@
 WriteMakefile(
     NAME             => 'korapxml2conllu',
     AUTHOR           => 'Marc Kupietz',
-    ABSTRACT         => 'Conversion from KorAP-XML zip files to CoNLL-U format',
+    ABSTRACT         => 'Conversion between KorAP-XML zip and CoNLL-U',
     VERSION          => '0.2',
     LICENSE          => 'freebsd',
     BUILD_REQUIRES   => {
+        'Test::More'          => "1.302177",
+        'Test::Script'        => "1.12",
+        'Test::TempDir::Tiny' => 0,
+        'File::Temp'          => 0.2308,
+        'IO::Compress::Zip'   => '2.091',
     },
     PREREQ_PM        => {
-        'POSIX'        => 0,
-        'Getopt::Std'  => 0,
-        'Encode'       => "3.07",
-        'Test::More'   => "1.302177",
-        'Test::Script' => "1.12"
+        'POSIX'             => 0,
+        'Getopt::Std'       => 0,
+        'Encode'            => "3.07",
+        'IO::Compress::Zip' => '2.091'
     },
     MIN_PERL_VERSION => '5.016',
-    EXE_FILES        => [ './script/korapxml2conllu' ]
+    EXE_FILES        => [ './script/korapxml2conllu', './script/conllu2korapxml' ]
 );