diff --git a/Gemfile.lock b/Gemfile.lock
index 54d3826..af587d0 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -3,17 +3,22 @@ PATH
   specs:
     noteshred (1.0.2)
       bcrypt (~> 3.1, >= 3.1.0)
-      rest-client (~> 1.7.3, >= 1.7.3)
+      rest-client (>= 1.7.3, < 2.2.0)
 
 GEM
   remote: https://rubygems.org/
   specs:
     bcrypt (3.1.13)
     diff-lcs (1.2.5)
+    domain_name (0.5.20190701)
+      unf (>= 0.0.5, < 1.0.0)
+    http-cookie (1.0.3)
+      domain_name (~> 0.5)
     mime-types (2.99.3)
     netrc (0.11.0)
     rake (10.3.2)
-    rest-client (1.7.3)
+    rest-client (1.8.0)
+      http-cookie (>= 1.0.2, < 2.0)
       mime-types (>= 1.16, < 3.0)
       netrc (~> 0.7)
     rspec (3.1.0)
@@ -28,6 +33,9 @@ GEM
     rspec-mocks (3.1.3)
       rspec-support (~> 3.1.0)
     rspec-support (3.1.2)
+    unf (0.1.4)
+      unf_ext
+    unf_ext (0.0.7.6)
 
 PLATFORMS
   ruby
diff --git a/noteshred.gemspec b/noteshred.gemspec
index 06943a9..1143239 100644
--- a/noteshred.gemspec
+++ b/noteshred.gemspec
@@ -22,7 +22,7 @@ Gem::Specification.new do |spec|
   spec.add_development_dependency 'rake', '~> 10.0', '>= 10.0.0'
   spec.add_development_dependency 'rspec', '~> 3.0', '>= 3.0.0'
 
-  spec.add_dependency 'rest-client', '~> 1.7.3', '>= 1.7.3'
+  spec.add_dependency 'rest-client', '>= 1.7.3', '< 2.2.0'
   spec.add_dependency 'bcrypt', '~> 3.1', '>= 3.1.0'
 
   spec.required_ruby_version = '>= 1.9.3'