diff --git a/Gemfile.lock b/Gemfile.lock
index 555c12c..14a1efc 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -116,9 +116,9 @@ GEM
       em-websocket (~> 0.5)
       guard (~> 2.0)
       multi_json (~> 1.8)
-    guard-rspec (4.1.0)
+    guard-rspec (4.2.0)
       guard (>= 2.1.1)
-      rspec (~> 2.14)
+      rspec (>= 2.14, < 4.0)
     guard-shell (0.5.2)
       guard (>= 1.1.0)
     haml (4.0.4)