diff --git a/Gemfile.lock b/Gemfile.lock
index f75e557..417c305 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -53,7 +53,7 @@ GEM
       msgpack (~> 1.0)
     builder (3.2.3)
     concurrent-ruby (1.1.5)
-    crass (1.0.4)
+    crass (1.0.5)
     diff-lcs (1.3)
     erubi (1.8.0)
     ffi (1.11.1)
@@ -65,7 +65,7 @@ GEM
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
       ruby_dep (~> 1.2)
-    loofah (2.2.3)
+    loofah (2.3.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.1)
@@ -79,7 +79,7 @@ GEM
     minitest (5.11.3)
     msgpack (1.3.1)
     nio4r (2.4.0)
-    nokogiri (1.10.4)
+    nokogiri (1.10.5)
       mini_portile2 (~> 2.4.0)
     rack (2.0.7)
     rack-test (1.1.0)