diff --git a/package.json b/package.json
index ff4ab5e..4689506 100644
--- a/package.json
+++ b/package.json
@@ -1,10 +1,10 @@
 {
     "dependencies": {
-        "antora": "3.2.0-alpha.5",
+        "antora": "3.2.0-alpha.6",
         "@antora/atlas-extension": "1.0.0-alpha.2",
         "@antora/collector-extension": "1.0.0-alpha.7",
         "@asciidoctor/tabs": "1.0.0-beta.6",
-        "@springio/antora-extensions": "1.12.0",
+        "@springio/antora-extensions": "1.13.0",
         "@springio/asciidoctor-extensions": "1.0.0-alpha.11"
     }
 }
diff --git a/playbooks/cassandra.yml b/playbooks/cassandra.yml
index 04abf83..7d1eb4d 100644
--- a/playbooks/cassandra.yml
+++ b/playbooks/cassandra.yml
@@ -32,6 +32,7 @@ asciidoc:
   extensions:
     - '@asciidoctor/tabs'
     - '@springio/asciidoctor-extensions'
+    - '@springio/asciidoctor-extensions/javadoc-extension'
 urls:
   latest_version_segment_strategy: redirect:to
   latest_version_segment: ''
diff --git a/playbooks/commons.yml b/playbooks/commons.yml
index aecef0c..893aece 100644
--- a/playbooks/commons.yml
+++ b/playbooks/commons.yml
@@ -26,6 +26,7 @@ asciidoc:
   extensions:
     - '@asciidoctor/tabs'
     - '@springio/asciidoctor-extensions'
+    - '@springio/asciidoctor-extensions/javadoc-extension'
 urls:
   latest_version_segment_strategy: redirect:to
   latest_version_segment: ''
diff --git a/playbooks/couchbase.yml b/playbooks/couchbase.yml
index a71a913..8155b21 100644
--- a/playbooks/couchbase.yml
+++ b/playbooks/couchbase.yml
@@ -32,6 +32,7 @@ asciidoc:
   extensions:
     - '@asciidoctor/tabs'
     - '@springio/asciidoctor-extensions'
+    - '@springio/asciidoctor-extensions/javadoc-extension'
 urls:
   latest_version_segment_strategy: redirect:to
   latest_version_segment: ''
diff --git a/playbooks/elasticsearch.yml b/playbooks/elasticsearch.yml
index 3823c20..2ffa5a0 100644
--- a/playbooks/elasticsearch.yml
+++ b/playbooks/elasticsearch.yml
@@ -32,6 +32,7 @@ asciidoc:
   extensions:
     - '@asciidoctor/tabs'
     - '@springio/asciidoctor-extensions'
+    - '@springio/asciidoctor-extensions/javadoc-extension'
 urls:
   latest_version_segment_strategy: redirect:to
   latest_version_segment: ''
diff --git a/playbooks/jpa.yml b/playbooks/jpa.yml
index cd77230..15bd3fd 100644
--- a/playbooks/jpa.yml
+++ b/playbooks/jpa.yml
@@ -32,6 +32,7 @@ asciidoc:
   extensions:
     - '@asciidoctor/tabs'
     - '@springio/asciidoctor-extensions'
+    - '@springio/asciidoctor-extensions/javadoc-extension'
 urls:
   latest_version_segment_strategy: redirect:to
   latest_version_segment: ''
diff --git a/playbooks/keyvalue.yml b/playbooks/keyvalue.yml
index 5c42099..36c3550 100644
--- a/playbooks/keyvalue.yml
+++ b/playbooks/keyvalue.yml
@@ -32,6 +32,7 @@ asciidoc:
   extensions:
     - '@asciidoctor/tabs'
     - '@springio/asciidoctor-extensions'
+    - '@springio/asciidoctor-extensions/javadoc-extension'
 urls:
   latest_version_segment_strategy: redirect:to
   latest_version_segment: ''
diff --git a/playbooks/ldap.yml b/playbooks/ldap.yml
index 7db0ece..5b1b415 100644
--- a/playbooks/ldap.yml
+++ b/playbooks/ldap.yml
@@ -32,6 +32,7 @@ asciidoc:
   extensions:
     - '@asciidoctor/tabs'
     - '@springio/asciidoctor-extensions'
+    - '@springio/asciidoctor-extensions/javadoc-extension'
 urls:
   latest_version_segment_strategy: redirect:to
   latest_version_segment: ''
diff --git a/playbooks/mongodb.yml b/playbooks/mongodb.yml
index a6ff975..93c5a07 100644
--- a/playbooks/mongodb.yml
+++ b/playbooks/mongodb.yml
@@ -32,6 +32,7 @@ asciidoc:
   extensions:
     - '@asciidoctor/tabs'
     - '@springio/asciidoctor-extensions'
+    - '@springio/asciidoctor-extensions/javadoc-extension'
 urls:
   latest_version_segment_strategy: redirect:to
   latest_version_segment: ''
diff --git a/playbooks/neo4j.yml b/playbooks/neo4j.yml
index e1a823b..e5e69c1 100644
--- a/playbooks/neo4j.yml
+++ b/playbooks/neo4j.yml
@@ -32,6 +32,7 @@ asciidoc:
   extensions:
     - '@asciidoctor/tabs'
     - '@springio/asciidoctor-extensions'
+    - '@springio/asciidoctor-extensions/javadoc-extension'
 urls:
   latest_version_segment_strategy: redirect:to
   latest_version_segment: ''
diff --git a/playbooks/redis.yml b/playbooks/redis.yml
index 71bc1f9..bc3eebe 100644
--- a/playbooks/redis.yml
+++ b/playbooks/redis.yml
@@ -32,6 +32,7 @@ asciidoc:
   extensions:
     - '@asciidoctor/tabs'
     - '@springio/asciidoctor-extensions'
+    - '@springio/asciidoctor-extensions/javadoc-extension'
 urls:
   latest_version_segment_strategy: redirect:to
   latest_version_segment: ''
diff --git a/playbooks/relational.yml b/playbooks/relational.yml
index e4f25eb..ea90a42 100644
--- a/playbooks/relational.yml
+++ b/playbooks/relational.yml
@@ -32,6 +32,7 @@ asciidoc:
   extensions:
     - '@asciidoctor/tabs'
     - '@springio/asciidoctor-extensions'
+    - '@springio/asciidoctor-extensions/javadoc-extension'
 urls:
   latest_version_segment_strategy: redirect:to
   latest_version_segment: ''
diff --git a/playbooks/rest.yml b/playbooks/rest.yml
index 1b41baf..0bc209c 100644
--- a/playbooks/rest.yml
+++ b/playbooks/rest.yml
@@ -32,6 +32,7 @@ asciidoc:
   extensions:
     - '@asciidoctor/tabs'
     - '@springio/asciidoctor-extensions'
+    - '@springio/asciidoctor-extensions/javadoc-extension'
 urls:
   latest_version_segment_strategy: redirect:to
   latest_version_segment: ''