diff --git a/Gemfile.lock b/Gemfile.lock
index c3492e2..d3a4da8 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -19,12 +19,12 @@ GEM
       i18n (>= 0.7, < 2)
       minitest (~> 5.1)
       tzinfo (~> 1.1)
-    addressable (2.7.0)
-      public_suffix (>= 2.0.2, < 5.0)
+    addressable (2.8.1)
+      public_suffix (>= 2.0.2, < 6.0)
     autoprefixer-rails (9.7.1)
       execjs
     backports (3.15.0)
-    bootstrap (4.3.1)
+    bootstrap (4.6.1)
       autoprefixer-rails (>= 9.1.0)
       popper_js (>= 1.14.3, < 2)
       sassc-rails (>= 2.0.0)
@@ -38,9 +38,9 @@ GEM
     crass (1.0.5)
     dotenv (2.7.5)
     erubis (2.7.0)
-    execjs (2.7.0)
+    execjs (2.8.1)
     fast_blank (1.0.0)
-    fastimage (2.1.7)
+    fastimage (2.2.6)
     ffi (1.11.2)
     haml (5.1.2)
       temple (>= 0.8.0)
@@ -59,19 +59,19 @@ GEM
       nokogiri (>= 1.5.9)
     memoist (0.16.1)
     method_source (0.9.2)
-    middleman (4.3.5)
+    middleman (4.3.7)
       coffee-script (~> 2.2)
       haml (>= 4.0.5)
       kramdown (~> 1.2)
-      middleman-cli (= 4.3.5)
-      middleman-core (= 4.3.5)
+      middleman-cli (= 4.3.7)
+      middleman-core (= 4.3.7)
     middleman-autoprefixer (2.10.1)
       autoprefixer-rails (~> 9.1)
       middleman-core (>= 3.3.3)
-    middleman-cli (4.3.5)
+    middleman-cli (4.3.7)
       thor (>= 0.17.0, < 2.0)
-    middleman-core (4.3.5)
-      activesupport (>= 4.2, < 5.1)
+    middleman-core (4.3.7)
+      activesupport (>= 4.2, < 6.0)
       addressable (~> 2.3)
       backports (~> 3.6)
       bundler
@@ -96,10 +96,11 @@ GEM
     middleman-sprockets (4.1.1)
       middleman-core (~> 4.0)
       sprockets (>= 3.0)
-    mini_portile2 (2.4.0)
-    minitest (5.13.0)
-    nokogiri (1.10.5)
-      mini_portile2 (~> 2.4.0)
+    mini_portile2 (2.8.0)
+    minitest (5.16.3)
+    nokogiri (1.13.9)
+      mini_portile2 (~> 2.8.0)
+      racc (~> 1.4)
     padrino-helpers (0.13.3.4)
       i18n (~> 0.6, >= 0.6.7)
       padrino-support (= 0.13.3.4)
@@ -108,7 +109,8 @@ GEM
       activesupport (>= 3.1)
     parallel (1.19.0)
     popper_js (1.14.5)
-    public_suffix (4.0.1)
+    public_suffix (5.0.0)
+    racc (1.6.0)
     rack (2.0.7)
     rack-test (0.6.3)
       rack (>= 1.0)
@@ -149,7 +151,7 @@ GEM
       activesupport (>= 4.0)
       sprockets (>= 3.0.0)
     temple (0.8.2)
-    thor (0.20.3)
+    thor (1.2.1)
     thread_safe (0.3.6)
     tilt (2.0.10)
     tzinfo (1.2.5)