diff --git a/.rubocop.yml b/.rubocop.yml
index 6c5cba1..fca3b19 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -1,5 +1,5 @@
 AllCops:
-  TargetRubyVersion: 2.3
+  TargetRubyVersion: 2.4
   Exclude:
     - _site/**/*
     - vendor/**/*
diff --git a/.travis.yml b/.travis.yml
index edbe773..f35dbd0 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,7 +5,7 @@ script: "./script/cibuild"
 #environment
 language: ruby
 rvm:
-  - 2.3.3
+  - 2.4.0
 
 branches:
   only:
diff --git a/_licenses/eupl-1.1.txt b/_licenses/eupl-1.1.txt
index 5d5d30b..81fb2b2 100644
--- a/_licenses/eupl-1.1.txt
+++ b/_licenses/eupl-1.1.txt
@@ -2,7 +2,7 @@
 title: European Union Public License 1.1
 spdx-id: EUPL-1.1
 redirect_from: /licenses/eupl-v1.1/
-source: https://joinup.ec.europa.eu/community/eupl/og_page/european-union-public-licence-eupl-v11
+source: https://joinup.ec.europa.eu/community/eupl/og_page/eupl-text-11-12
 
 description: The “European Union Public Licence” (EUPL) is a copyleft free/open source software license created on the initiative of and approved by the European Commission in 22 official languages of the European Union.