diff --git a/META.json b/META.json
index 0d41361..a5a1ac9 100644
--- a/META.json
+++ b/META.json
@@ -43,7 +43,8 @@
       "runtime" : {
          "requires" : {
             "Mojolicious" : "6.33",
-            "Text::Caml" : "0"
+            "Text::Caml" : "0",
+            "perl" : "v5.10.0"
          }
       },
       "test" : {
diff --git a/lib/Mojolicious/Plugin/Text/Caml.pm b/lib/Mojolicious/Plugin/Text/Caml.pm
index ac33663..eb8f0d6 100644
--- a/lib/Mojolicious/Plugin/Text/Caml.pm
+++ b/lib/Mojolicious/Plugin/Text/Caml.pm
@@ -1,4 +1,5 @@
 package Mojolicious::Plugin::Text::Caml;
+use v5.10.0;
 use Mojo::Base 'Mojolicious::Plugin';
 
 use Text::Caml;