diff --git a/Gemfile.lock b/Gemfile.lock
index 3dfea397..85a35337 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -524,8 +524,8 @@ GEM
       rubyzip (~> 1.2, >= 1.2.2)
     sexp_processor (4.11.0)
     shellany (0.0.1)
-    shoulda-matchers (3.1.2)
-      activesupport (>= 4.0.0)
+    shoulda-matchers (4.0.1)
+      activesupport (>= 4.2.0)
     simplecov (0.16.1)
       docile (~> 1.1)
       json (>= 1.8, < 3)