diff --git a/Gemfile.lock b/Gemfile.lock
index 22b27db..2201f25 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -100,12 +100,12 @@ GEM
     haml (5.0.4)
       temple (>= 0.8.0)
       tilt
-    haml-rails (2.0.0)
-      actionpack (>= 5.1)
-      activesupport (>= 5.1)
+    haml-rails (1.0.0)
+      actionpack (>= 4.0.1)
+      activesupport (>= 4.0.1)
       haml (>= 4.0.6, < 6.0)
       html2haml (>= 1.0.1)
-      railties (>= 5.1)
+      railties (>= 4.0.1)
     highline (2.0.0)
     html2haml (2.2.0)
       erubis (~> 2.7.0)
@@ -155,7 +155,9 @@ GEM
     mime-types (3.2.2)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2018.0812)
-    mimemagic (0.3.3)
+    mimemagic (0.3.10)
+      nokogiri (~> 1)
+      rake
     mini_mime (1.0.1)
     mini_portile2 (2.4.0)
     minitest (5.11.3)
@@ -209,7 +211,7 @@ GEM
       rake (>= 0.8.7)
       thor (>= 0.19.0, < 2.0)
     rainbow (3.0.0)
-    rake (12.3.2)
+    rake (13.0.6)
     rb-fsevent (0.10.3)
     rb-inotify (0.10.0)
       ffi (~> 1.0)
@@ -248,8 +250,8 @@ GEM
       unicode-display_width (>= 1.4.0, < 1.6)
     ruby-progressbar (1.10.0)
     ruby_dep (1.5.0)
-    ruby_parser (3.13.1)
-      sexp_processor (~> 4.9)
+    ruby_parser (3.16.0)
+      sexp_processor (~> 4.15, >= 4.15.1)
     sass (3.7.2)
       sass-listen (~> 4.0.0)
     sass-listen (4.0.0)
@@ -270,7 +272,7 @@ GEM
       sprockets (> 3.0)
       sprockets-rails
       tilt
-    sexp_processor (4.12.0)
+    sexp_processor (4.15.3)
     simplecov (0.13.0)
       docile (~> 1.1.0)
       json (>= 1.8, < 3)
@@ -336,7 +338,7 @@ DEPENDENCIES
   font-awesome-sass (~> 5.6.1)
   gettext
   haml (~> 5.0.3)
-  haml-rails (~> 2.0.0)
+  haml-rails (~> 1.0.0)
   i18n-tasks
   jbuilder (~> 2.8)
   jquery-rails