diff --git a/Gemfile.lock b/Gemfile.lock
index 24f282c..10a0d15 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -186,7 +186,7 @@ GEM
       websocket-driver (>= 0.2.0)
     powder (0.3.0)
       thor (>= 0.11.5)
-    power_assert (1.0.0)
+    power_assert (1.0.1)
     pry (0.10.4)
       coderay (~> 1.1.0)
       method_source (~> 0.8.1)
@@ -268,7 +268,7 @@ GEM
       json (>= 1.8, < 3)
       simplecov-html (~> 0.10.0)
     simplecov-html (0.10.0)
-    sinatra (1.4.7)
+    sinatra (1.4.8)
       rack (~> 1.5)
       rack-protection (~> 1.4)
       tilt (>= 1.3, < 3)