diff --git a/Makefile.PL b/Makefile.PL
index 3b28356..584be4d 100644
--- a/Makefile.PL
+++ b/Makefile.PL
@@ -63,7 +63,7 @@ WriteMakefile
     : ()),
    PL_FILES                   => {},
    EXE_FILES                  => [ 'bin/feedgnuplot' ],
-   PREREQ_PM                  => { 'Test::Script::Run' => 0},
+   BUILD_REQUIRES             => { 'String::ShellQuote' => 0},
    dist                       => { COMPRESS => 'gzip -9f', SUFFIX => 'gz', },
    clean                      => { FILES => 'feedgnuplot-*' },
   );