diff --git a/specification/pom.xml b/specification/pom.xml
index babd39d7..bceb3399 100644
--- a/specification/pom.xml
+++ b/specification/pom.xml
@@ -50,7 +50,7 @@
         <asciidoctor.maven.plugin.version>3.0.0</asciidoctor.maven.plugin.version>
         <asciidoctorj.version>2.5.12</asciidoctorj.version>
         <asciidoctorj.pdf.version>2.3.15</asciidoctorj.pdf.version>
-        <jruby.version>9.4.6.0</jruby.version> 
+        <jruby.version>9.4.7.0</jruby.version> 
 
         <!-- status: DRAFT, BETA, etc., or blank for final -->
         <status>DRAFT</status>