diff --git a/CHANGELOG.adoc b/CHANGELOG.adoc
index ef9b0a627..52cdd0f19 100644
--- a/CHANGELOG.adoc
+++ b/CHANGELOG.adoc
@@ -17,6 +17,7 @@ Improvement::
 
 * Add command line option --failure-level to force non-zero exit code from AsciidoctorJ CLI if specified logging level is reached. (#1115) (@pasieronen)
 * Upgrade to JRuby 9.3.8.0 (#1117)
+* Upgrade to Rouge 3.30.0 (#1118)
 
 Bug Fixes::
 
diff --git a/build.gradle b/build.gradle
index 970482b2b..61e9ed782 100644
--- a/build.gradle
+++ b/build.gradle
@@ -82,7 +82,7 @@ ext {
   asciidoctorGemVersion = project.hasProperty('asciidoctorGemVersion') ? project.asciidoctorGemVersion : '2.0.17'
   asciimathGemVersion = '2.0.3'
   coderayGemVersion = '1.1.3'
-  rougeGemVersion = '3.29.0'
+  rougeGemVersion = '3.30.0'
 
   codenarcVersion = '2.1.0'
   groovyVersion = '2.4.21'