diff --git a/Gemfile.lock b/Gemfile.lock
index 25ce2f1..91e4610 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -8,7 +8,9 @@ GEM
     em-websocket (0.5.2)
       eventmachine (>= 0.12.9)
       http_parser.rb (~> 0.6.0)
+    eventmachine (1.2.7)
     eventmachine (1.2.7-x64-mingw32)
+    ffi (1.15.4)
     ffi (1.15.4-x64-mingw32)
     forwardable-extended (2.6.0)
     http_parser.rb (0.6.0)
@@ -59,6 +61,8 @@ GEM
     rexml (3.2.5)
     rouge (3.26.0)
     safe_yaml (1.0.5)
+    sassc (2.4.0)
+      ffi (~> 1.9)
     sassc (2.4.0-x64-mingw32)
       ffi (~> 1.9)
     terminal-table (2.0.0)
@@ -74,6 +78,7 @@ GEM
 
 PLATFORMS
   x64-mingw32
+  x86_64-darwin-20
 
 DEPENDENCIES
   jekyll (~> 4.2.0)
@@ -85,4 +90,4 @@ DEPENDENCIES
   webrick (~> 1.7)
 
 BUNDLED WITH
-   2.2.27
+   2.3.4