diff --git a/bin/aleesa-telegram-bot b/bin/aleesa-telegram-bot
index 4609184..21819e7 100755
--- a/bin/aleesa-telegram-bot
+++ b/bin/aleesa-telegram-bot
@@ -1,5 +1,6 @@
 #!/usr/bin/perl
 
+use 5.018;
 use strict;
 use warnings "all";
 use utf8;
diff --git a/confcheck.pl b/confcheck.pl
index daf3c18..6eba9a2 100755
--- a/confcheck.pl
+++ b/confcheck.pl
@@ -1,5 +1,6 @@
 #!/usr/bin/perl
 
+use 5.018;
 use strict;
 use warnings "all";
 use utf8;
diff --git a/lib/botlib.pm b/lib/botlib.pm
index aeb95da..006785e 100644
--- a/lib/botlib.pm
+++ b/lib/botlib.pm
@@ -1,5 +1,6 @@
 package botlib;
 
+use 5.018;
 use strict;
 use warnings "all";
 use utf8;
diff --git a/lib/conf.pm b/lib/conf.pm
index 9098a96..23f1313 100644
--- a/lib/conf.pm
+++ b/lib/conf.pm
@@ -1,5 +1,6 @@
 package conf;
 
+use 5.018;
 use strict;
 use warnings "all";
 use utf8;
diff --git a/lib/telegrambot.pm b/lib/telegrambot.pm
index e682ff5..853a5f6 100644
--- a/lib/telegrambot.pm
+++ b/lib/telegrambot.pm
@@ -1,9 +1,9 @@
 package telegrambot;
 
+use 5.018;
 use strict;
 use warnings "all";
 use vars qw/$VERSION/;
-use v5.10.0;
 use utf8;
 use Data::Dumper;
 use open qw(:std :utf8);