diff --git a/ruby/Gemfile.lock b/ruby/Gemfile.lock
index 7ca1c23..14cf9b7 100644
--- a/ruby/Gemfile.lock
+++ b/ruby/Gemfile.lock
@@ -1,13 +1,13 @@
 PATH
   remote: .
   specs:
-    asciidoctor-kroki (0.7.0)
+    asciidoctor-kroki (0.8.0)
       asciidoctor (~> 2.0)
 
 GEM
   remote: https://rubygems.org/
   specs:
-    asciidoctor (2.0.17)
+    asciidoctor (2.0.18)
     ast (2.4.2)
     diff-lcs (1.4.4)
     parallel (1.22.1)
diff --git a/ruby/lib/asciidoctor/extensions/asciidoctor_kroki/version.rb b/ruby/lib/asciidoctor/extensions/asciidoctor_kroki/version.rb
index e0faa5e..0c0cab5 100644
--- a/ruby/lib/asciidoctor/extensions/asciidoctor_kroki/version.rb
+++ b/ruby/lib/asciidoctor/extensions/asciidoctor_kroki/version.rb
@@ -2,6 +2,6 @@
 
 module Asciidoctor
   module AsciidoctorKroki
-    VERSION = '0.7.0'
+    VERSION = '0.8.0'
   end
 end