diff --git a/Gemfile b/Gemfile
index d02aaf5bfe5..ab11ef7862f 100644
--- a/Gemfile
+++ b/Gemfile
@@ -83,7 +83,7 @@ gem "htmldiff"
 gem "stringex", "~> 2.8.5"
 
 # CommonMark markdown parser with GFM extension
-gem "commonmarker", "~> 1.1.3"
+gem "commonmarker", "~> 2.0.2"
 
 # HTML pipeline for transformations on text formatter output
 # such as sanitization or additional features
diff --git a/Gemfile.lock b/Gemfile.lock
index 677c1f35534..f2cb6a4e11f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -438,7 +438,7 @@ GEM
       descendants_tracker (~> 0.0.1)
     color_conversion (0.1.2)
     colored2 (4.0.0)
-    commonmarker (1.1.5)
+    commonmarker (2.0.2.1)
       rb_sys (~> 0.9)
     compare-xml (0.66)
       nokogiri (~> 1.8)
@@ -962,7 +962,7 @@ GEM
     rb-fsevent (0.11.2)
     rb-inotify (0.11.1)
       ffi (~> 1.0)
-    rb_sys (0.9.105)
+    rb_sys (0.9.108)
     rbtrace (0.5.1)
       ffi (>= 1.0.6)
       msgpack (>= 0.4.3)
@@ -1237,7 +1237,7 @@ DEPENDENCIES
   climate_control
   closure_tree (~> 7.4.0)
   colored2
-  commonmarker (~> 1.1.3)
+  commonmarker (~> 2.0.2)
   compare-xml (~> 0.66)
   costs!
   csv (~> 3.3)