diff --git a/Gemfile.lock b/Gemfile.lock
old mode 100755
new mode 100644
index 87cf8c8..b54ae37
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -52,7 +52,7 @@ GEM
       coffee-script-source
       execjs
     coffee-script-source (1.12.2)
-    concurrent-ruby (1.0.5)
+    concurrent-ruby (1.1.8)
     connection_pool (2.2.1)
     crass (1.0.3)
     css_parser (1.6.0)
@@ -120,7 +120,7 @@ GEM
       premailer (~> 1.7, >= 1.7.9)
     public_suffix (3.0.1)
     puma (3.11.2)
-    rack (2.0.4)
+    rack (2.2.3)
     rack-protection (2.0.0)
       rack
     rack-test (0.6.3)
@@ -196,7 +196,7 @@ GEM
     spring-watcher-listen (2.0.1)
       listen (>= 2.7, < 4.0)
       spring (>= 1.2, < 3.0)
-    sprockets (3.7.1)
+    sprockets (3.7.2)
       concurrent-ruby (~> 1.0)
       rack (> 1, < 3)
     sprockets-rails (3.2.1)