diff --git a/.travis.yml b/.travis.yml
index da3af98..e1d1797 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,11 +3,6 @@ dist: trusty
 
 language: ruby
 
-gemfile:
-  - gemfiles/spree_3_2.gemfile
-  - gemfiles/spree_3_5.gemfile
-  - gemfiles/spree_3_6.gemfile
-
 rvm:
   - 2.5.0
 
@@ -18,7 +13,6 @@ script:
 deploy:
   provider: rubygems
   gem: spree_mollie_gateway
-  rvm: 2.5.1
   on:
     tags: true
     repo: mollie/spree-mollie-gateway
diff --git a/Gemfile b/Gemfile
index f6868f5..5d0c51b 100644
--- a/Gemfile
+++ b/Gemfile
@@ -2,7 +2,6 @@ source 'https://rubygems.org'
 
 git_source(:github) { |repo_name| "https://github.com/#{repo_name}" }
 
-gem 'spree', github: 'spree/spree', branch: 'master'
 gem 'mollie-api-ruby', '~> 4.1.1'
 
 # Specify your gem's dependencies in spree_mollie_gateway.gemspec
diff --git a/gemfiles/spree_3_2.gemfile b/gemfiles/spree_3_2.gemfile
index 3040b25..7d6581e 100644
--- a/gemfiles/spree_3_2.gemfile
+++ b/gemfiles/spree_3_2.gemfile
@@ -2,7 +2,7 @@
 
 source "https://rubygems.org"
 
-gem "spree", "~> 3.2.0"
 gem "mollie-api-ruby", "~> 4.1.1"
+gem "spree", "~> 3.2.0"
 
 gemspec path: "../"
diff --git a/gemfiles/spree_3_5.gemfile b/gemfiles/spree_3_5.gemfile
index b5b856b..0d21632 100644
--- a/gemfiles/spree_3_5.gemfile
+++ b/gemfiles/spree_3_5.gemfile
@@ -2,7 +2,7 @@
 
 source "https://rubygems.org"
 
-gem "spree", "~> 3.5.0"
 gem "mollie-api-ruby", "~> 4.1.1"
+gem "spree", "~> 3.5.0"
 
 gemspec path: "../"
diff --git a/gemfiles/spree_3_6.gemfile b/gemfiles/spree_3_6.gemfile
index 83be03b..f6b2324 100644
--- a/gemfiles/spree_3_6.gemfile
+++ b/gemfiles/spree_3_6.gemfile
@@ -2,7 +2,7 @@
 
 source "https://rubygems.org"
 
-gem "spree", "~> 3.6.1"
 gem "mollie-api-ruby", "~> 4.1.1"
+gem "spree", "~> 3.6.1"
 
 gemspec path: "../"