diff --git a/infra/ci/build.py b/infra/ci/build.py
index 18a22c95d..a97a2e591 100755
--- a/infra/ci/build.py
+++ b/infra/ci/build.py
@@ -241,6 +241,7 @@ def build_base_images():
       'base-builder-python',
       'base-builder-rust',
       'base-builder-swift',
+      'base-builder-ruby',
       'base-runner',
   ]
   for image in images:
diff --git a/infra/cifuzz/run_fuzzers_entrypoint.py b/infra/cifuzz/run_fuzzers_entrypoint.py
index 5182c7424..924914199 100644
--- a/infra/cifuzz/run_fuzzers_entrypoint.py
+++ b/infra/cifuzz/run_fuzzers_entrypoint.py
@@ -41,6 +41,7 @@ def delete_unneeded_docker_images(config):
       docker.BASE_BUILDER_TAG + '-jvm',
       docker.BASE_BUILDER_TAG + '-python',
       docker.BASE_BUILDER_TAG + '-rust',
+      docker.BASE_BUILDER_TAG + '-ruby',
       docker.BASE_BUILDER_TAG + '-swift',
   ]
   docker.delete_images(images)
diff --git a/infra/helper.py b/infra/helper.py
index 64fe378ea..f89b47250 100755
--- a/infra/helper.py
+++ b/infra/helper.py
@@ -85,6 +85,7 @@ LANGUAGE_TO_BASE_BUILDER_IMAGE = {
     'javascript': 'base-builder-javascript',
     'jvm': 'base-builder-jvm',
     'python': 'base-builder-python',
+    'ruby': 'base-builder-ruby',
     'rust': 'base-builder-rust',
     'swift': 'base-builder-swift'
 }