diff --git a/Gemfile.lock b/Gemfile.lock
index fb24931..67cdc39 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -95,7 +95,7 @@ GEM
       ffi (~> 1.0)
     rouge (3.18.0)
     safe_yaml (1.0.5)
-    sassc (2.2.1)
+    sassc (2.3.0)
       ffi (~> 1.9)
     sawyer (0.8.2)
       addressable (>= 2.3.5)
@@ -121,7 +121,6 @@ DEPENDENCIES
   jemoji
   liquid-c
   minimal-mistakes-jekyll
-  tzinfo-data
 
 BUNDLED WITH
    2.1.4