diff --git a/Gemfile.lock b/Gemfile.lock
index 16370c3..63fc83b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -65,7 +65,7 @@ GEM
       activesupport (>= 4.0.0)
       mime-types (>= 1.16)
     concurrent-ruby (1.0.5)
-    crass (1.0.4)
+    crass (1.0.6)
     devise (4.5.0)
       bcrypt (~> 3.0)
       orm_adapter (~> 0.1)
@@ -83,7 +83,7 @@ GEM
       activesupport (>= 4.2.0)
     i18n (1.1.0)
       concurrent-ruby (~> 1.0)
-    loofah (2.2.2)
+    loofah (2.5.0)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.0)
@@ -96,11 +96,11 @@ GEM
     mime-types-data (3.2018.0812)
     mimemagic (0.3.2)
     mini_mime (1.0.1)
-    mini_portile2 (2.3.0)
+    mini_portile2 (2.4.0)
     minitest (5.11.3)
     nio4r (2.3.1)
-    nokogiri (1.8.4)
-      mini_portile2 (~> 2.3.0)
+    nokogiri (1.10.9)
+      mini_portile2 (~> 2.4.0)
     orm_adapter (0.5.0)
     rack (2.0.5)
     rack-test (1.1.0)