diff --git a/Gemfile.lock b/Gemfile.lock
index 7833cfce..8d172352 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -84,7 +84,7 @@ GEM
       tins (~> 1.6)
     crack (0.4.3)
       safe_yaml (~> 1.0.0)
-    crass (1.0.3)
+    crass (1.0.5)
     cucumber (2.4.0)
       builder (>= 2.1.2)
       cucumber-core (~> 1.5.0)
@@ -305,7 +305,7 @@ GEM
     listen (3.0.6)
       rb-fsevent (>= 0.9.3)
       rb-inotify (>= 0.9.7)
-    loofah (2.1.1)
+    loofah (2.3.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     lumberjack (1.0.12)
@@ -314,7 +314,7 @@ GEM
     mime-types (3.1)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2016.0521)
-    mini_portile2 (2.3.0)
+    mini_portile2 (2.4.0)
     minitest (5.10.3)
     mongo (2.4.3)
       bson (>= 4.2.1, < 5.0.0)
@@ -331,8 +331,8 @@ GEM
     net-dns (0.8.0)
     net-http-persistent (2.9.4)
     netrc (0.11.0)
-    nokogiri (1.8.1)
-      mini_portile2 (~> 2.3.0)
+    nokogiri (1.10.5)
+      mini_portile2 (~> 2.4.0)
     notiffany (0.1.1)
       nenv (~> 0.1)
       shellany (~> 0.0)