diff --git a/.github/actions/build-deb/Dockerfile b/.github/actions/build-deb/Dockerfile
index 3513cf8..8d6e99e 100644
--- a/.github/actions/build-deb/Dockerfile
+++ b/.github/actions/build-deb/Dockerfile
@@ -10,7 +10,7 @@ RUN apt-get update \
     libc6-dev-armhf-cross \
     libc6-dev-i386 \
     gcc-5-multilib \
-    ruby-ronn \
+    asciidoctor \
  && rm -rf /var/cache/dpkg
 
 RUN ln -s asm-generic/ /usr/include/asm
diff --git a/.github/actions/build-rpm/Dockerfile b/.github/actions/build-rpm/Dockerfile
index d1a66c7..cc27506 100644
--- a/.github/actions/build-rpm/Dockerfile
+++ b/.github/actions/build-rpm/Dockerfile
@@ -1,9 +1,7 @@
 FROM centos:7
 
 RUN yum groupinstall -y 'Development Tools'
-
-RUN yum-config-manager --add-repo http://springdale.math.ias.edu/data/puias/computational/7/x86_64 \
- && yum install --nogpgcheck -y rubygem-ronn
+RUN yum install -y ruby && gem install asciidoctor
 
 ADD entrypoint.sh /entrypoint.sh