diff --git a/Build.PL b/Build.PL
index 09bd5b95c..31ec9cf82 100644
--- a/Build.PL
+++ b/Build.PL
@@ -10,6 +10,8 @@ my %prereqs = qw(
     Devel::CheckLib                 0
     ExtUtils::MakeMaker             6.80
     ExtUtils::ParseXS               3.22
+    ExtUtils::XSpp                  0
+    ExtUtils::Typemaps              0
     File::Basename                  0
     File::Spec                      0
     Getopt::Long                    0