diff --git a/asciidoctorj-pdf/gradle.properties b/asciidoctorj-pdf/gradle.properties
index 5ec3769..17bb684 100644
--- a/asciidoctorj-pdf/gradle.properties
+++ b/asciidoctorj-pdf/gradle.properties
@@ -1,4 +1,4 @@
 properName=AsciidoctorJ PDF
 description=AsciidoctorJ PDF bundles the Asciidoctor PDF RubyGem (asciidoctor-pdf) so it can be loaded into the JVM using JRuby.
-version=2.0.8
+version=2.1.2
 gem_name=asciidoctor-pdf
diff --git a/build.gradle b/build.gradle
index e2abd73..b4b595f 100644
--- a/build.gradle
+++ b/build.gradle
@@ -40,7 +40,7 @@ ext {
 
   // gem versions
   asciidoctorJVersion = project.hasProperty('asciidoctorJVersion') ? project.asciidoctorJVersion : '2.5.3'
-  asciidoctorPdfGemVersion = project.hasProperty('asciidoctorPdfGemVersion') ? project.asciidoctorPdfGemVersion : '2.0.8'
+  asciidoctorPdfGemVersion = project.hasProperty('asciidoctorPdfGemVersion') ? project.asciidoctorPdfGemVersion : '2.1.2'
 
   addressableVersion = '2.8.0'
   concurrentRubyVersion = '1.1.7'
diff --git a/gradle.properties b/gradle.properties
index cc2d511..2983855 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,3 +1,3 @@
-version=2.0.8
+version=2.1.2
 sourceCompatibility=1.8
 targetCompatibility=1.8