1 files changed, 1 insertions, 0 deletions
diff --git a/duplicates.cgi b/duplicates.cgi
index 01962218b..d501b0e16 100755
--- a/duplicates.cgi
+++ b/duplicates.cgi
@@ -6,6 +6,7 @@
 # This Source Code Form is "Incompatible With Secondary Licenses", as
 # defined by the Mozilla Public License, v. 2.0.
 
+use 5.10.1;
 use strict;
 use lib qw(. lib);