diff --git a/bitnami/ruby/2.5-prod/debian-9/Dockerfile b/bitnami/ruby/2.5-prod/debian-9/Dockerfile
index 3b67f849b055..ba04e288ed5a 100644
--- a/bitnami/ruby/2.5-prod/debian-9/Dockerfile
+++ b/bitnami/ruby/2.5-prod/debian-9/Dockerfile
@@ -1,4 +1,4 @@
-FROM bitnami/ruby:2.5.7-debian-9-r28 as development
+FROM bitnami/ruby:2.5.7-debian-9-r29 as development
 
 ######
 
@@ -14,7 +14,7 @@ RUN sed -i 's/^PASS_MAX_DAYS.*/PASS_MAX_DAYS    90/' /etc/login.defs && \
 COPY --from=development /opt/bitnami/ruby /opt/bitnami/ruby
 
 ENV BITNAMI_APP_NAME="ruby" \
-    BITNAMI_IMAGE_VERSION="2.5.7-debian-9-r27-prod" \
+    BITNAMI_IMAGE_VERSION="2.5.7-debian-9-r28-prod" \
     PATH="/opt/bitnami/ruby/bin:$PATH"
 
 CMD [ "irb" ]
diff --git a/bitnami/ruby/README.md b/bitnami/ruby/README.md
index 28be3c2fe503..eff4332dc42c 100644
--- a/bitnami/ruby/README.md
+++ b/bitnami/ruby/README.md
@@ -55,7 +55,7 @@ Learn more about the Bitnami tagging policy and the difference between rolling t
 * [`2.5-ol-7-prod`, `2.5.7-ol-7-r34-prod` (2.5-prod/ol-7/Dockerfile)](https://github.com/bitnami/bitnami-docker-ruby/blob/2.5.7-ol-7-r34-prod/2.5-prod/ol-7/Dockerfile)
 * [`2.5-ol-7`, `2.5.7-ol-7-r34` (2.5/ol-7/Dockerfile)](https://github.com/bitnami/bitnami-docker-ruby/blob/2.5.7-ol-7-r34/2.5/ol-7/Dockerfile)
 * [`2.5-debian-9`, `2.5.7-debian-9-r29`, `2.5`, `2.5.7`, `2.5.7-r29` (2.5/debian-9/Dockerfile)](https://github.com/bitnami/bitnami-docker-ruby/blob/2.5.7-debian-9-r29/2.5/debian-9/Dockerfile)
-* [`2.5-debian-9-prod`, `2.5.7-debian-9-r27-prod`, `2.5-prod`, `2.5.7-prod`, `2.5.7-r27-prod` (2.5-prod/debian-9/Dockerfile)](https://github.com/bitnami/bitnami-docker-ruby/blob/2.5.7-debian-9-r27-prod/2.5-prod/debian-9/Dockerfile)
+* [`2.5-debian-9-prod`, `2.5.7-debian-9-r28-prod`, `2.5-prod`, `2.5.7-prod`, `2.5.7-r28-prod` (2.5-prod/debian-9/Dockerfile)](https://github.com/bitnami/bitnami-docker-ruby/blob/2.5.7-debian-9-r28-prod/2.5-prod/debian-9/Dockerfile)
 * [`2.4-ol-7`, `2.4.9-ol-7-r34` (2.4/ol-7/Dockerfile)](https://github.com/bitnami/bitnami-docker-ruby/blob/2.4.9-ol-7-r34/2.4/ol-7/Dockerfile)
 * [`2.4-ol-7-prod`, `2.4.9-ol-7-r33-prod` (2.4-prod/ol-7/Dockerfile)](https://github.com/bitnami/bitnami-docker-ruby/blob/2.4.9-ol-7-r33-prod/2.4-prod/ol-7/Dockerfile)
 * [`2.4-debian-9-prod`, `2.4.9-debian-9-r26-prod`, `2.4-prod`, `2.4.9-prod`, `2.4.9-r26-prod` (2.4-prod/debian-9/Dockerfile)](https://github.com/bitnami/bitnami-docker-ruby/blob/2.4.9-debian-9-r26-prod/2.4-prod/debian-9/Dockerfile)