Gemfile.lock in isodoc-0.8.8 vs Gemfile.lock in isodoc-0.8.9

@@ -1,18 +1,18 @@
 PATH
   remote: .
   specs:
-    isodoc (0.8.8)
+    isodoc (0.8.9)
       asciimath
       html2doc (~> 0.8.1)
       htmlentities (~> 4.3.4)
       liquid
       metanorma (~> 0.2.7)
       nokogiri
       roman-numerals
       ruby-xslt
-      sass
+      sassc (~> 1.12.1)
       thread_safe
       uuidtools
 
 GEM
   remote: https://rubygems.org/
@@ -58,15 +58,15 @@
     listen (3.1.5)
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
       ruby_dep (~> 1.2)
     lumberjack (1.0.13)
-    metanorma (0.2.7)
+    metanorma (0.2.8)
     method_source (0.9.0)
-    mime-types (3.1)
+    mime-types (3.2.2)
       mime-types-data (~> 3.2015)
-    mime-types-data (3.2016.0521)
+    mime-types-data (3.2018.0812)
     mini_portile2 (2.3.0)
     nenv (0.3.0)
     nokogiri (1.8.4)
       mini_portile2 (~> 2.3.0)
     notiffany (0.1.1)
@@ -112,9 +112,12 @@
     sass (3.5.7)
       sass-listen (~> 4.0.0)
     sass-listen (4.0.0)
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
+    sassc (1.12.1)
+      ffi (~> 1.9.6)
+      sass (>= 3.3.0)
     shellany (0.0.1)
     simplecov (0.16.1)
       docile (~> 1.1)
       json (>= 1.8, < 3)
       simplecov-html (~> 0.10.0)