diff --git a/Gemfile.lock b/Gemfile.lock
index 6a96fa97..dd45186e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -78,7 +78,7 @@ GEM
       execjs
     coffee-script-source (1.12.2)
     concurrent-ruby (1.1.5)
-    crass (1.0.4)
+    crass (1.0.6)
     devise (4.6.0)
       bcrypt (~> 3.0)
       orm_adapter (~> 0.1)
@@ -116,7 +116,7 @@ GEM
       railties (>= 4.2.0)
       thor (>= 0.14, < 2.0)
     json (2.1.0)
-    loofah (2.2.3)
+    loofah (2.11.0)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.1)
@@ -127,19 +127,22 @@ GEM
     mime-types (3.2.2)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2018.0812)
-    mimemagic (0.3.3)
+    mimemagic (0.3.10)
+      nokogiri (~> 1)
+      rake
     mini_mime (1.0.1)
-    mini_portile2 (2.4.0)
+    mini_portile2 (2.5.3)
     minitest (5.11.3)
     multi_json (1.13.1)
     netrc (0.11.0)
     nio4r (2.3.1)
-    nokogiri (1.10.3)
-      mini_portile2 (~> 2.4.0)
-    nokogiri (1.10.3-x64-mingw32)
-      mini_portile2 (~> 2.4.0)
-    nokogiri (1.10.3-x86-mingw32)
-      mini_portile2 (~> 2.4.0)
+    nokogiri (1.11.7)
+      mini_portile2 (~> 2.5.0)
+      racc (~> 1.4)
+    nokogiri (1.11.7-x64-mingw32)
+      racc (~> 1.4)
+    nokogiri (1.11.7-x86-mingw32)
+      racc (~> 1.4)
     orm_adapter (0.5.0)
     parallel (1.12.1)
     parser (2.5.3.0)
@@ -153,6 +156,7 @@ GEM
     puma (3.12.0)
     pundit (2.0.0)
       activesupport (>= 3.0.0)
+    racc (1.5.2)
     rack (2.0.7)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)