diff --git a/web-ssh/Gemfile.lock b/web-ssh/Gemfile.lock
index 0ff9387..bf62cd7 100644
--- a/web-ssh/Gemfile.lock
+++ b/web-ssh/Gemfile.lock
@@ -73,7 +73,7 @@ GEM
       execjs
     coffee-script-source (1.12.2)
     concurrent-ruby (1.1.4)
-    crass (1.0.4)
+    crass (1.0.6)
     erubi (1.7.1)
     execjs (2.7.0)
     ffi (1.9.25)
@@ -90,7 +90,7 @@ GEM
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
       ruby_dep (~> 1.2)
-    loofah (2.2.3)
+    loofah (2.18.0)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.1)
@@ -102,7 +102,7 @@ GEM
       nokogiri (~> 1)
       rake
     mini_mime (1.0.1)
-    mini_portile2 (2.5.1)
+    mini_portile2 (2.6.1)
     mini_racer (0.2.0)
       libv8 (>= 6.3)
     minitest (5.11.3)
@@ -110,15 +110,15 @@ GEM
     multi_json (1.13.1)
     net-ssh (5.0.2)
     nio4r (2.3.1)
-    nokogiri (1.11.4)
-      mini_portile2 (~> 2.5.0)
+    nokogiri (1.12.5)
+      mini_portile2 (~> 2.6.1)
       racc (~> 1.4)
     pg (1.1.3)
     public_suffix (3.0.3)
-    racc (1.5.2)
-    rack (2.2.3)
     puma (4.3.8)
       nio4r (~> 2.0)
+    racc (1.6.0)
+    rack (2.2.3)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
     rails (5.2.2)
@@ -137,8 +137,8 @@ GEM
     rails-dom-testing (2.0.3)
       activesupport (>= 4.2.0)
       nokogiri (>= 1.6)
-    rails-html-sanitizer (1.0.4)
-      loofah (~> 2.2, >= 2.2.2)
+    rails-html-sanitizer (1.4.3)
+      loofah (~> 2.3)
     railties (5.2.2)
       actionpack (= 5.2.2)
       activesupport (= 5.2.2)