diff --git a/bitnami/ruby/2.5/debian-9/Dockerfile b/bitnami/ruby/2.5/debian-9/Dockerfile
index 1b2440b37104..7e7596c0e8d8 100644
--- a/bitnami/ruby/2.5/debian-9/Dockerfile
+++ b/bitnami/ruby/2.5/debian-9/Dockerfile
@@ -10,7 +10,7 @@ RUN wget -nc -P /tmp/bitnami/pkg/cache/ https://downloads.bitnami.com/files/stac
 RUN /opt/bitnami/ruby/bin/gem install bundler
 
 ENV BITNAMI_APP_NAME="ruby" \
-    BITNAMI_IMAGE_VERSION="2.5.3-debian-9-r27" \
+    BITNAMI_IMAGE_VERSION="2.5.3-debian-9-r28" \
     PATH="/opt/bitnami/ruby/bin:$PATH"
 
 EXPOSE 3000
diff --git a/bitnami/ruby/2.5/debian-9/prod/Dockerfile b/bitnami/ruby/2.5/debian-9/prod/Dockerfile
index 9138851fe276..59e101a62c3f 100644
--- a/bitnami/ruby/2.5/debian-9/prod/Dockerfile
+++ b/bitnami/ruby/2.5/debian-9/prod/Dockerfile
@@ -1,5 +1,5 @@
 
-FROM bitnami/ruby:2.5.3-debian-9-r27 as development
+FROM bitnami/ruby:2.5.3-debian-9-r28 as development
 
 FROM bitnami/minideb:stretch
 LABEL maintainer "Bitnami <containers@bitnami.com>"
@@ -7,7 +7,7 @@ LABEL maintainer "Bitnami <containers@bitnami.com>"
 COPY --from=development /opt/bitnami/ruby /opt/bitnami/ruby
 
 ENV BITNAMI_APP_NAME="ruby" \
-    BITNAMI_IMAGE_VERSION="2.5.3-debian-9-r27" \
+    BITNAMI_IMAGE_VERSION="2.5.3-debian-9-r28" \
     PATH="/opt/bitnami/ruby/bin:$PATH"
 
 CMD [ "irb" ]
diff --git a/bitnami/ruby/README.md b/bitnami/ruby/README.md
index be7555018703..7276c53463f8 100644
--- a/bitnami/ruby/README.md
+++ b/bitnami/ruby/README.md
@@ -52,7 +52,7 @@ Learn more about the Bitnami tagging policy and the difference between rolling t
 
 
 * [`2.5-ol-7`, `2.5.3-ol-7-r29` (2.5/ol-7/Dockerfile)](https://github.com/bitnami/bitnami-docker-ruby/blob/2.5.3-ol-7-r29/2.5/ol-7/Dockerfile)
-* [`2.5-debian-9`, `2.5.3-debian-9-r27`, `2.5`, `2.5.3`, `2.5.3-r27`, `latest` (2.5/debian-9/Dockerfile)](https://github.com/bitnami/bitnami-docker-ruby/blob/2.5.3-debian-9-r27/2.5/debian-9/Dockerfile)
+* [`2.5-debian-9`, `2.5.3-debian-9-r28`, `2.5`, `2.5.3`, `2.5.3-r28`, `latest` (2.5/debian-9/Dockerfile)](https://github.com/bitnami/bitnami-docker-ruby/blob/2.5.3-debian-9-r28/2.5/debian-9/Dockerfile)
 * [`2.4-ol-7`, `2.4.5-ol-7-r25` (2.4/ol-7/Dockerfile)](https://github.com/bitnami/bitnami-docker-ruby/blob/2.4.5-ol-7-r25/2.4/ol-7/Dockerfile)
 * [`2.4-debian-9`, `2.4.5-debian-9-r28`, `2.4`, `2.4.5`, `2.4.5-r28` (2.4/debian-9/Dockerfile)](https://github.com/bitnami/bitnami-docker-ruby/blob/2.4.5-debian-9-r28/2.4/debian-9/Dockerfile)
 * [`2.3-ol-7`, `2.3.8-ol-7-r26` (2.3/ol-7/Dockerfile)](https://github.com/bitnami/bitnami-docker-ruby/blob/2.3.8-ol-7-r26/2.3/ol-7/Dockerfile)