Merge pull request #928 from ahus1/upgrade_rouge

upgrade rouge to prevent exception (fixes #925)

Author: robertpanzer

CHANGELOG.adoc

@@ -13,6 +13,10 @@ For a detailed view of what has changed, refer to the {uri-repo}/commits/master[
 
 == Unreleased
 
+Bug Fixes::
+
+  * Upgrade to Rouge 3.20.0, fixing error `uninitialized constant Rouge::Lexers` problem (@ahus1) (#925)
+
 == 2.3.0 (2020-05-02)
 
 Improvement::

build.gradle

@@ -59,7 +59,7 @@ ext {
   // gem versions
   asciidoctorGemVersion = project.hasProperty('asciidoctorGemVersion') ? project.asciidoctorGemVersion : '2.0.10'
   coderayGemVersion = '1.1.2'
-  rougeGemVersion = '3.12.0'
+  rougeGemVersion = '3.20.0'
 
   codenarcVersion = '0.24.1'
   groovyVersion = '2.4.13'