diff --git a/hardening_manifest.yaml b/hardening_manifest.yaml
index 58336095b3a985bd0a974c0b8d79fe4978f55e48..6bc03a68d875fb20f6247f7ffc03dc21c4abdb26 100644
--- a/hardening_manifest.yaml
+++ b/hardening_manifest.yaml
@@ -14,7 +14,7 @@ tags:
 # Build args passed to Dockerfile ARGs
 args:
   BASE_IMAGE: "opensource/ruby/ruby27"
-  BASE_TAG: "2.7.3"
+  BASE_TAG: "2.7.4"
 
 # Docker image labels
 labels: