diff --git a/Dockerfile b/Dockerfile
index 46b84a9..c9ac86c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -14,7 +14,7 @@ LABEL maintainers="Guillaume Scheibel <guillaume.scheibel@gmail.com>, Damien DUP
 LABEL org.opencontainers.image.source="https://github.com/asciidoctor/docker-asciidoctor"
 
 ARG asciidoctor_version=2.0.20
-ARG asciidoctor_pdf_version=2.3.11
+ARG asciidoctor_pdf_version=2.3.12
 
 ENV ASCIIDOCTOR_VERSION=${asciidoctor_version} \
   ASCIIDOCTOR_PDF_VERSION=${asciidoctor_pdf_version}
diff --git a/README.adoc b/README.adoc
index 3fa3bc8..24112b8 100644
--- a/README.adoc
+++ b/README.adoc
@@ -1,7 +1,7 @@
 :ALPINE_VERSION: 3.19.1
 :ASCIIDOCTOR_VERSION: 2.0.20
 :ASCIIDOCTOR_CONFLUENCE_VERSION: 0.0.2
-:ASCIIDOCTOR_PDF_VERSION: 2.3.11
+:ASCIIDOCTOR_PDF_VERSION: 2.3.12
 :ASCIIDOCTOR_DIAGRAM_VERSION: 2.2.17
 :ASCIIDOCTOR_EPUB3_VERSION: 2.0.1
 :ASCIIDOCTOR_FB2_VERSION: 0.7.0
diff --git a/tests/asciidoctor.bats b/tests/asciidoctor.bats
index 3b8ecda..ea1a843 100644
--- a/tests/asciidoctor.bats
+++ b/tests/asciidoctor.bats
@@ -4,7 +4,7 @@ TMP_GENERATION_DIR="${BATS_TEST_DIRNAME}/tmp"
 ALPINE_VERSION=3.19.1
 ASCIIDOCTOR_VERSION=2.0.20
 ASCIIDOCTOR_CONFLUENCE_VERSION=0.0.2
-ASCIIDOCTOR_PDF_VERSION=2.3.11
+ASCIIDOCTOR_PDF_VERSION=2.3.12
 ASCIIDOCTOR_DIAGRAM_VERSION=2.2.17
 ASCIIDOCTOR_EPUB3_VERSION=2.0.1
 ASCIIDOCTOR_FB2_VERSION=0.7.0