diff --git a/Gemfile.lock b/Gemfile.lock
index 3b212e9b7..16b1a2e5d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -70,7 +70,7 @@ GEM
     coffee-script-source (1.12.2)
     concurrent-ruby (1.0.5)
     concurrent-ruby (1.0.5-java)
-    crass (1.0.4)
+    crass (1.0.5)
     devise (4.4.3)
       bcrypt (~> 3.0)
       orm_adapter (~> 0.1)
@@ -101,7 +101,7 @@ GEM
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
       ruby_dep (~> 1.2)
-    loofah (2.2.2)
+    loofah (2.3.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.0)
@@ -111,18 +111,18 @@ GEM
       mime-types-data (~> 3.2015)
     mime-types-data (3.2016.0521)
     mini_mime (1.0.0)
-    mini_portile2 (2.3.0)
+    mini_portile2 (2.4.0)
     minitest (5.11.3)
     multi_json (1.13.1)
     nio4r (2.3.1)
     nio4r (2.3.1-java)
-    nokogiri (1.8.4)
-      mini_portile2 (~> 2.3.0)
-    nokogiri (1.8.4-java)
-    nokogiri (1.8.4-x64-mingw32)
-      mini_portile2 (~> 2.3.0)
-    nokogiri (1.8.4-x86-mingw32)
-      mini_portile2 (~> 2.3.0)
+    nokogiri (1.10.5)
+      mini_portile2 (~> 2.4.0)
+    nokogiri (1.10.5-java)
+    nokogiri (1.10.5-x64-mingw32)
+      mini_portile2 (~> 2.4.0)
+    nokogiri (1.10.5-x86-mingw32)
+      mini_portile2 (~> 2.4.0)
     orm_adapter (0.5.0)
     public_suffix (3.0.2)
     puma (3.12.0)