diff --git a/tools/release/Bootstrap/Step/Build.pm b/tools/release/Bootstrap/Step/Build.pm
index 3ae88c41c5bc..3390a2e0e214 100644
--- a/tools/release/Bootstrap/Step/Build.pm
+++ b/tools/release/Bootstrap/Step/Build.pm
@@ -6,6 +6,7 @@ package Bootstrap::Step::Build;
 use File::Temp qw(tempfile);
 
 use Bootstrap::Step;
+use Bootstrap::Util qw(CvsCatfile);
 
 @ISA = ("Bootstrap::Step");