diff --git a/Gemfile.lock b/Gemfile.lock
index aa23cb6..1370bdf 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -8,24 +8,24 @@ GEM
   remote: https://rubygems.org/
   specs:
     base64 (0.3.0)
-    diff-lcs (1.3)
+    diff-lcs (1.6.2)
     ethon (0.16.0)
       ffi (>= 1.15.0)
     ffi (1.17.3)
     rake (13.0.1)
-    rspec (3.8.0)
-      rspec-core (~> 3.8.0)
-      rspec-expectations (~> 3.8.0)
-      rspec-mocks (~> 3.8.0)
-    rspec-core (3.8.0)
-      rspec-support (~> 3.8.0)
-    rspec-expectations (3.8.2)
+    rspec (3.13.2)
+      rspec-core (~> 3.13.0)
+      rspec-expectations (~> 3.13.0)
+      rspec-mocks (~> 3.13.0)
+    rspec-core (3.13.6)
+      rspec-support (~> 3.13.0)
+    rspec-expectations (3.13.5)
       diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.8.0)
-    rspec-mocks (3.8.0)
+      rspec-support (~> 3.13.0)
+    rspec-mocks (3.13.8)
       diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.8.0)
-    rspec-support (3.8.0)
+      rspec-support (~> 3.13.0)
+    rspec-support (3.13.7)
     typhoeus (1.4.0)
       ethon (>= 0.9.0)
     vcr (6.2.0)