diff --git a/.travis.yml b/.travis.yml
index 97c933c02e..426cb72a77 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,10 +5,12 @@ notifications:
   email: false
 
 rvm:
-  - 2.3.1
+  - 2.3.8
 
 matrix:
   include:
+    - rvm: 2.5.3
+      env: "RAILS_VERSION=5.2.2"
     - rvm: 2.2.5
       env: "RAILS_VERSION=4.1.13"
     - rvm: 2.1.5
diff --git a/blacklight.gemspec b/blacklight.gemspec
index f961ce735f..90f7374db9 100644
--- a/blacklight.gemspec
+++ b/blacklight.gemspec
@@ -17,7 +17,7 @@ Gem::Specification.new do |s|
   s.executables   = `git ls-files -- bin/*`.split("\n").map{ |f| File.basename(f) }
   s.require_paths = ["lib"]
 
-  s.add_dependency "rails",     ">= 3.2.6", "< 5"
+  s.add_dependency "rails",     ">= 3.2.6", "< 6"
   s.add_dependency "nokogiri",  "~>1.6"     # XML Parser
   s.add_dependency "kaminari", ">= 0.15" # the pagination (page 1,2,3, etc..) of our search results
   s.add_dependency "rsolr", "~> 1.0", ">= 1.0.11"  # Library for interacting with rSolr.