diff --git a/Gemfile.lock b/Gemfile.lock
index cd178c3f..1b865e9b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -534,7 +534,7 @@ GEM
       faraday
     sexp_processor (4.11.0)
     shellany (0.0.1)
-    shoulda-matchers (4.1.2)
+    shoulda-matchers (4.5.1)
       activesupport (>= 4.2.0)
     simplecov (0.21.2)
       docile (~> 1.1)