diff --git a/.github/actions/build-rpm/Dockerfile b/.github/actions/build-rpm/Dockerfile
index cc27506..e2ce6f7 100644
--- a/.github/actions/build-rpm/Dockerfile
+++ b/.github/actions/build-rpm/Dockerfile
@@ -1,7 +1,7 @@
 FROM centos:7
 
 RUN yum groupinstall -y 'Development Tools'
-RUN yum install -y ruby && gem install asciidoctor
+RUN yum install -y ruby && gem install asciidoctor -v 2.0.10
 
 ADD entrypoint.sh /entrypoint.sh
 
diff --git a/builder/Dockerfile-rpm b/builder/Dockerfile-rpm
index b0f9487..1930622 100644
--- a/builder/Dockerfile-rpm
+++ b/builder/Dockerfile-rpm
@@ -1,7 +1,7 @@
 FROM centos:7
 
 RUN yum groupinstall -y 'Development Tools'
-RUN yum install -y ruby && gem install asciidoctor
+RUN yum install -y ruby && gem install asciidoctor -v 2.0.10
 
 RUN useradd -ms /bin/bash user
 USER user