diff --git a/Gemfile.lock b/Gemfile.lock
index 83462f9..27efab0 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -111,10 +111,9 @@ GEM
     jekyll-commonmark (1.3.1)
       commonmarker (~> 0.14)
       jekyll (>= 3.7, < 5.0)
-    jekyll-commonmark-ghpages (0.1.6)
+    jekyll-commonmark-ghpages (0.1.0)
       commonmarker (~> 0.17.6)
-      jekyll-commonmark (~> 1.2)
-      rouge (>= 2.0, < 4.0)
+      jekyll-commonmark (~> 1)
     jekyll-feed (0.17.0)
       jekyll (>= 3.7, < 5.0)
     jekyll-gist (1.5.0)
@@ -215,7 +214,7 @@ GEM
       ffi (~> 1.0)
     regexp_parser (2.5.0)
     rexml (3.2.5)
-    rouge (3.30.0)
+    rouge (4.0.0)
     rubocop (1.36.0)
       json (~> 2.3)
       parallel (~> 1.10)