diff --git a/Gemfile.lock b/Gemfile.lock
index 2ada6a5..7df9523 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -60,7 +60,7 @@ GEM
       execjs
     coffee-script-source (1.12.2)
     concurrent-ruby (1.1.5)
-    crass (1.0.4)
+    crass (1.0.6)
     erubi (1.9.0)
     execjs (2.7.0)
     ffi (1.11.1)
@@ -74,7 +74,7 @@ GEM
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
       ruby_dep (~> 1.2)
-    loofah (2.3.0)
+    loofah (2.19.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.1)
@@ -88,11 +88,12 @@ GEM
     method_source (0.9.2)
     mini_magick (4.9.5)
     mini_mime (1.0.2)
-    mini_portile2 (2.4.0)
+    mini_portile2 (2.8.0)
     minitest (5.12.2)
     nio4r (2.5.2)
-    nokogiri (1.10.4)
-      mini_portile2 (~> 2.4.0)
+    nokogiri (1.13.10)
+      mini_portile2 (~> 2.8.0)
+      racc (~> 1.4)
     parallel (1.17.0)
     pdf-core (0.7.0)
     prawn (2.2.2)
@@ -103,6 +104,7 @@ GEM
       rmagick
     public_suffix (4.0.1)
     puma (3.12.1)
+    racc (1.6.1)
     rack (2.0.7)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)