diff --git a/.travis.yml b/.travis.yml
index 47769fc..10dfa90 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -9,5 +9,6 @@ gemfile:
   - gemfiles/rspec_3.4.gemfile
   - gemfiles/rspec_3.5.gemfile
   - gemfiles/rspec_3.6.gemfile
+  - gemfiles/rspec_3.7.gemfile
 cache: bundler
 sudo: false
diff --git a/Appraisals b/Appraisals
index bf979ea..3067f8a 100644
--- a/Appraisals
+++ b/Appraisals
@@ -13,3 +13,7 @@ end
 appraise 'rspec-3.6' do
   gem 'rspec', '~> 3.6.0'
 end
+
+appraise 'rspec-3.7' do
+  gem 'rspec', '~> 3.7.0'
+end
diff --git a/README.md b/README.md
index 94b7807..70b26ea 100644
--- a/README.md
+++ b/README.md
@@ -8,7 +8,7 @@ specified number of times until the example succeeds.
 
 | Rspec Version | Rspec-Retry Version |
 |---------------|---------------------|
-| 3.3-3.6       | 0.5.5               |
+| 3.3-3.7       | 0.5.6               |
 | 3.2           | 0.4.6               |
 | 2.14.8        | 0.4.4               |
 
diff --git a/changelog.md b/changelog.md
index d2576b6..cf64ce8 100644
--- a/changelog.md
+++ b/changelog.md
@@ -1,3 +1,7 @@
+# 0.5.6 - 2017-10-17
+## enhancements
+added support for rspec 3.7.0
+
 # 0.5.5 - 2017-08-22
 ## enhancements
 added retry_callback to help with cleanup between runs (thanks @abrom / #80)
diff --git a/gemfiles/rspec_3.3.gemfile.lock b/gemfiles/rspec_3.3.gemfile.lock
index de2d3ef..3769d8b 100644
--- a/gemfiles/rspec_3.3.gemfile.lock
+++ b/gemfiles/rspec_3.3.gemfile.lock
@@ -1,8 +1,8 @@
 PATH
   remote: ..
   specs:
-    rspec-retry (0.5.5)
-      rspec-core (> 3.3, < 3.7)
+    rspec-retry (0.5.6)
+      rspec-core (> 3.3, < 3.8)
 
 GEM
   remote: https://rubygems.org/
diff --git a/gemfiles/rspec_3.4.gemfile.lock b/gemfiles/rspec_3.4.gemfile.lock
index 990c46f..08a05c0 100644
--- a/gemfiles/rspec_3.4.gemfile.lock
+++ b/gemfiles/rspec_3.4.gemfile.lock
@@ -1,8 +1,8 @@
 PATH
   remote: ..
   specs:
-    rspec-retry (0.5.5)
-      rspec-core (> 3.3, < 3.7)
+    rspec-retry (0.5.6)
+      rspec-core (> 3.3, < 3.8)
 
 GEM
   remote: https://rubygems.org/
diff --git a/gemfiles/rspec_3.5.gemfile.lock b/gemfiles/rspec_3.5.gemfile.lock
index 8b707b1..99a2fff 100644
--- a/gemfiles/rspec_3.5.gemfile.lock
+++ b/gemfiles/rspec_3.5.gemfile.lock
@@ -1,8 +1,8 @@
 PATH
   remote: ..
   specs:
-    rspec-retry (0.5.5)
-      rspec-core (> 3.3, < 3.7)
+    rspec-retry (0.5.6)
+      rspec-core (> 3.3, < 3.8)
 
 GEM
   remote: https://rubygems.org/
diff --git a/gemfiles/rspec_3.6.gemfile.lock b/gemfiles/rspec_3.6.gemfile.lock
index 6f655c3..82a958a 100644
--- a/gemfiles/rspec_3.6.gemfile.lock
+++ b/gemfiles/rspec_3.6.gemfile.lock
@@ -1,8 +1,8 @@
 PATH
   remote: ..
   specs:
-    rspec-retry (0.5.5)
-      rspec-core (> 3.3, < 3.7)
+    rspec-retry (0.5.6)
+      rspec-core (> 3.3, < 3.8)
 
 GEM
   remote: https://rubygems.org/
diff --git a/gemfiles/rspec_3.7.gemfile b/gemfiles/rspec_3.7.gemfile
new file mode 100644
index 0000000..876511d
--- /dev/null
+++ b/gemfiles/rspec_3.7.gemfile
@@ -0,0 +1,7 @@
+# This file was generated by Appraisal
+
+source "https://rubygems.org"
+
+gem "rspec", "~> 3.7.0"
+
+gemspec path: "../"
diff --git a/gemfiles/rspec_3.7.gemfile.lock b/gemfiles/rspec_3.7.gemfile.lock
new file mode 100644
index 0000000..7751542
--- /dev/null
+++ b/gemfiles/rspec_3.7.gemfile.lock
@@ -0,0 +1,51 @@
+PATH
+  remote: ..
+  specs:
+    rspec-retry (0.5.6)
+      rspec-core (> 3.3, < 3.8)
+
+GEM
+  remote: https://rubygems.org/
+  specs:
+    appraisal (2.2.0)
+      bundler
+      rake
+      thor (>= 0.14.0)
+    byebug (9.0.6)
+    coderay (1.1.2)
+    diff-lcs (1.3)
+    method_source (0.9.0)
+    pry (0.11.1)
+      coderay (~> 1.1.0)
+      method_source (~> 0.9.0)
+    pry-byebug (3.4.3)
+      byebug (>= 9.0, < 9.1)
+      pry (~> 0.10)
+    rake (12.1.0)
+    rspec (3.7.0)
+      rspec-core (~> 3.7.0)
+      rspec-expectations (~> 3.7.0)
+      rspec-mocks (~> 3.7.0)
+    rspec-core (3.7.0)
+      rspec-support (~> 3.7.0)
+    rspec-expectations (3.7.0)
+      diff-lcs (>= 1.2.0, < 2.0)
+      rspec-support (~> 3.7.0)
+    rspec-mocks (3.7.0)
+      diff-lcs (>= 1.2.0, < 2.0)
+      rspec-support (~> 3.7.0)
+    rspec-support (3.7.0)
+    thor (0.20.0)
+
+PLATFORMS
+  ruby
+
+DEPENDENCIES
+  appraisal
+  byebug (~> 9.0.6)
+  pry-byebug
+  rspec (~> 3.7.0)
+  rspec-retry!
+
+BUNDLED WITH
+   1.15.4
diff --git a/lib/rspec/retry/version.rb b/lib/rspec/retry/version.rb
index ff6b001..0047840 100644
--- a/lib/rspec/retry/version.rb
+++ b/lib/rspec/retry/version.rb
@@ -1,5 +1,5 @@
 module RSpec
   class Retry
-    VERSION = "0.5.5"
+    VERSION = "0.5.6"
   end
 end
diff --git a/rspec-retry.gemspec b/rspec-retry.gemspec
index 25cefdc..4b6c59e 100644
--- a/rspec-retry.gemspec
+++ b/rspec-retry.gemspec
@@ -15,7 +15,7 @@ Gem::Specification.new do |gem|
   gem.name          = "rspec-retry"
   gem.require_paths = ["lib"]
   gem.version       = RSpec::Retry::VERSION
-  gem.add_runtime_dependency(%{rspec-core}, '>3.3', '<3.7')
+  gem.add_runtime_dependency(%{rspec-core}, '>3.3', '<3.8')
   gem.add_development_dependency %q{appraisal}
   gem.add_development_dependency %q{rspec}
   gem.add_development_dependency %q{byebug}, '~>9.0.6' # 9.1 deprecates ruby 2.1