diff --git a/Gemfile.lock b/Gemfile.lock
index 6b16ea4f..eaeffdf2 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -173,7 +173,7 @@ GEM
       term-ansicolor (~> 1.3)
       thor (~> 0.19.4)
       tins (~> 1.6)
-    crass (1.0.4)
+    crass (1.0.5)
     database_cleaner (1.7.0)
     debug_inspector (0.0.3)
     declarative (0.0.10)
@@ -363,7 +363,7 @@ GEM
     listen (3.0.8)
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
-    loofah (2.2.3)
+    loofah (2.3.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.1)
@@ -400,7 +400,7 @@ GEM
       rubocop-rspec (~> 1.3)
       scss_lint (~> 0.55)
     nio4r (2.3.1)
-    nokogiri (1.10.3)
+    nokogiri (1.10.5)
       mini_portile2 (~> 2.4.0)
     openseadragon (0.5.0)
       rails (> 3.2.0)