diff --git a/infra/helper.py b/infra/helper.py
index 0d331791a..64fe378ea 100755
--- a/infra/helper.py
+++ b/infra/helper.py
@@ -52,6 +52,7 @@ BASE_IMAGES = {
     'jvm': ['gcr.io/oss-fuzz-base/base-builder-jvm'],
     'python': ['gcr.io/oss-fuzz-base/base-builder-python'],
     'rust': ['gcr.io/oss-fuzz-base/base-builder-rust'],
+    'ruby': ['gcr.io/oss-fuzz-base/base-builder-ruby'],
     'swift': ['gcr.io/oss-fuzz-base/base-builder-swift'],
 }