diff --git a/Gemfile.lock b/Gemfile.lock
index e50014fd..f6993d03 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -148,7 +148,7 @@ GEM
     libv8 (3.16.14.15)
     libyajl2 (1.2.0)
     listen (0.7.3)
-    loofah (2.9.1)
+    loofah (2.19.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     lru_redux (1.1.0)
@@ -164,7 +164,7 @@ GEM
     metaclass (0.0.4)
     method_source (0.8.2)
     mini_mime (1.1.0)
-    mini_portile2 (2.5.1)
+    mini_portile2 (2.5.3)
     minitest (5.9.0)
     mixlib-config (2.2.4)
     mixlib-log (1.7.1)
@@ -210,7 +210,7 @@ GEM
     pry-nav (0.2.4)
       pry (>= 0.9.10, < 0.11.0)
     r2 (0.2.6)
-    racc (1.5.2)
+    racc (1.6.1)
     rack (1.6.13)
     rack-mini-profiler (0.10.1)
       rack (>= 1.2.0)