diff --git a/.travis.yml b/.travis.yml
index cace593..5bcb0a2 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,8 +1,8 @@
 language: ruby
 cache: bundler
 rvm:
-  - 2.2.6
-  - 2.3.3
+  - 2.2.7
+  - 2.3.4
 before_script:
   - mysql -e 'create database enju_test DEFAULT CHARACTER SET utf8 COLLATE utf8_general_ci;'
   - psql -c 'create database enju_test;' -U postgres
@@ -17,4 +17,3 @@ notifications:
   slack:
     secure: H47CWe0kjyXGsaSOtjt22kVvJ8ixbMrvF9imV2nxCUzqK7oens8xNE6VqB3JQ2Rb5n6NMZHpR2cCcG8jcSRm9ZmGgOHLaUdxRxVqTJ1dgD64j1/wNlpNGUp3eAo8XurarmF+06DBOLgiNG65mNmcQ2HFxDC0Vbhxwt4F1IvTlLU=
 sudo: false
-dist: precise
diff --git a/app/models/inter_library_loan.rb b/app/models/inter_library_loan.rb
index f636f88..1819253 100644
--- a/app/models/inter_library_loan.rb
+++ b/app/models/inter_library_loan.rb
@@ -19,7 +19,7 @@ def state_machine
     InterLibraryLoanStateMachine.new(self, transition_class: InterLibraryLoanTransition)
   end
 
-  has_many :inter_library_loan_transitions
+  has_many :inter_library_loan_transitions, autosave: false
 
   delegate :can_transition_to?, :transition_to!, :transition_to, :current_state,
     to: :state_machine
diff --git a/enju_inter_library_loan.gemspec b/enju_inter_library_loan.gemspec
index 8e4571a..b1dae20 100644
--- a/enju_inter_library_loan.gemspec
+++ b/enju_inter_library_loan.gemspec
@@ -16,12 +16,12 @@ Gem::Specification.new do |s|
   s.files = Dir["{app,config,db,lib}/**/*"] + ["MIT-LICENSE", "Rakefile", "README.rdoc"]
   s.test_files = Dir["spec/**/*"] - Dir["spec/dummy/log/*"] - Dir["spec/dummy/solr/{data,pids,default,development,test}/*"] - Dir["spec/dummy/tmp/*"]
 
-  s.add_dependency "enju_circulation", "~> 0.2.4"
+  s.add_dependency "enju_circulation", "~> 0.2.5"
 
-  s.add_development_dependency "enju_leaf", "~> 1.2.1"
+  s.add_development_dependency "enju_leaf", "~> 1.2.2"
   s.add_development_dependency "sqlite3"
-  s.add_development_dependency "mysql2"
-  s.add_development_dependency "pg"
+  s.add_development_dependency "mysql2", "~> 0.4.10"
+  s.add_development_dependency "pg", "~> 0.21"
   s.add_development_dependency "rspec-rails", "~> 3.5"
   s.add_development_dependency "factory_bot_rails"
   s.add_development_dependency "sunspot_solr", "2.2.0"