diff --git a/.github/workflows/build_container.yml b/.github/workflows/build_container.yml
index f7c9944..a9645ae 100644
--- a/.github/workflows/build_container.yml
+++ b/.github/workflows/build_container.yml
@@ -48,6 +48,7 @@ jobs:
             RUBYGEM_PUPPET_METADATA=${{ matrix.rubygem_puppet_metadata }}
             RUBYGEM_OVERCOMMIT=${{ matrix.rubygem_overcommit }}
             RUBYGEM_PUPPET=${{ matrix.rubygem_puppet }}
+            RUBYGEM_MODULESYNC=${{ matrix.rubygem_modulesync }}
             # we can not yet build arm containers as pdk and bolt are not available for arm
           # build_arch: linux/amd64,linux/arm64
           docker_username: ${{ vars.DOCKERHUB_USER }}
diff --git a/Dockerfile b/Dockerfile
index cc07802..477d2e9 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -55,6 +55,9 @@ ENV RUBYGEM_OVERCOMMIT=${RUBYGEM_OVERCOMMIT:-0.63.0}
 ARG RUBYGEM_PUPPET
 ENV RUBYGEM_PUPPET=${RUBYGEM_PUPPET:-7.29.1}
 
+ARG RUBYGEM_MODULESYNC
+ENV RUBYGEM_MODULESYNC=${RUBYGEM_MODULESYNC:-3.2.0}
+
 ENV DEBIAN_FRONTEND=noninteractive
 ENV PUPPET_DEB=puppet${PUPPET_RELEASE}-release-${UBUNTU_CODENAME}.deb
 
diff --git a/build_versions.json b/build_versions.json
index 5f31db0..332c32f 100644
--- a/build_versions.json
+++ b/build_versions.json
@@ -13,7 +13,8 @@
       "rubygem_voxpupuli_release": "3.0.1",
       "rubygem_puppet_metadata": "3.6.0",
       "rubygem_overcommit": "0.63.0",
-      "rubygem_puppet": "7.29.1"
+      "rubygem_puppet": "7.29.1",
+      "rubygem_modulesync": "3.2.0"
     },
     {
       "puppet_release": 8,
@@ -28,7 +29,8 @@
       "rubygem_voxpupuli_release": "3.0.1",
       "rubygem_puppet_metadata": "3.6.0",
       "rubygem_overcommit": "0.63.0",
-      "rubygem_puppet": "7.29.1"
+      "rubygem_puppet": "7.29.1",
+      "rubygem_modulesync": "3.2.0"
     }
   ]
 }
diff --git a/pdc/Gemfile b/pdc/Gemfile
index 0bba893..472838a 100644
--- a/pdc/Gemfile
+++ b/pdc/Gemfile
@@ -28,4 +28,5 @@ gem 'rake', :require => false
 gem 'facter', ENV['FACTER_GEM_VERSION'], :require => false, :groups => [:test]
 gem 'puppet', ENV['RUBYGEM_PUPPET'], :require => false, :groups => [:test]
 
+gem 'modulesync', ENV['RUBYGEM_MODULESYNC']
 # vim: syntax=ruby