diff --git a/Gemfile.lock b/Gemfile.lock
index 4be9a2fbe5..4f0c512114 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -285,7 +285,7 @@ GEM
     logging (2.2.2)
       little-plugger (~> 1.1)
       multi_json (~> 1.10)
-    loofah (2.1.1)
+    loofah (2.2.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.0)
@@ -324,12 +324,12 @@ GEM
     mysql2 (0.4.10-x86-mingw32)
     nio4r (2.2.0)
     nio4r (2.2.0-java)
-    nokogiri (1.8.1)
+    nokogiri (1.8.2)
       mini_portile2 (~> 2.3.0)
-    nokogiri (1.8.1-java)
-    nokogiri (1.8.1-x64-mingw32)
+    nokogiri (1.8.2-java)
+    nokogiri (1.8.2-x64-mingw32)
       mini_portile2 (~> 2.3.0)
-    nokogiri (1.8.1-x86-mingw32)
+    nokogiri (1.8.2-x86-mingw32)
       mini_portile2 (~> 2.3.0)
     os (0.9.6)
     parallel (1.12.1)