diff --git a/rfd-processor/Gemfile b/rfd-processor/Gemfile
index a2a033c9..9d4815e3 100644
--- a/rfd-processor/Gemfile
+++ b/rfd-processor/Gemfile
@@ -1,6 +1,6 @@
 source "https://rubygems.org"
 
-gem "asciidoctor", "2.0.20"
+gem "asciidoctor", "2.0.26"
 gem "asciidoctor-mermaid", "0.4.1"
 gem "asciidoctor-pdf", "2.3.2"
 gem "base64", "0.3.0"
diff --git a/rfd-processor/Gemfile.lock b/rfd-processor/Gemfile.lock
index 702bdc0b..a60537c7 100644
--- a/rfd-processor/Gemfile.lock
+++ b/rfd-processor/Gemfile.lock
@@ -5,7 +5,7 @@ GEM
     addressable (2.9.0)
       public_suffix (>= 2.0.2, < 8.0)
     afm (1.0.0)
-    asciidoctor (2.0.20)
+    asciidoctor (2.0.26)
     asciidoctor-mermaid (0.4.1)
     asciidoctor-pdf (2.3.2)
       asciidoctor (~> 2.0)
@@ -59,7 +59,7 @@ PLATFORMS
   ruby
 
 DEPENDENCIES
-  asciidoctor (= 2.0.20)
+  asciidoctor (= 2.0.26)
   asciidoctor-mermaid (= 0.4.1)
   asciidoctor-pdf (= 2.3.2)
   base64 (= 0.3.0)
@@ -70,7 +70,7 @@ CHECKSUMS
   Ascii85 (2.0.1) sha256=15cb5d941808543cbb9e7e6aea3c8ec3877f154c3461e8b3673e97f7ecedbe5a
   addressable (2.9.0) sha256=7fdf6ac3660f7f4e867a0838be3f6cf722ace541dd97767fa42bc6cfa980c7af
   afm (1.0.0) sha256=5bd4d6f6241e7014ef090985ec6f4c3e9745f6de0828ddd58bc1efdd138f4545
-  asciidoctor (2.0.20) sha256=835eabd445e4ae88f56a5f4e07593c3612b2be72eb661c612c3a8e1e17c57479
+  asciidoctor (2.0.26) sha256=16e3accf1fc206bbd6335848649d7fd65f31d2daa60d85af13d47a8ee4b071c1
   asciidoctor-mermaid (0.4.1) sha256=51146b0df171d112c118df9236c062f38a5da49afd2086baf21a3ab95343a46c
   asciidoctor-pdf (2.3.2) sha256=bb83308a68ede1c00a12b9110f9255f09e75361bd74e218be584f49c6905bc9a
   base64 (0.3.0) sha256=27337aeabad6ffae05c265c450490628ef3ebd4b67be58257393227588f5a97b