diff --git a/bitnami/ruby/2.5/debian-9/Dockerfile b/bitnami/ruby/2.5/debian-9/Dockerfile
index 6993baa4aeb5..573f5900cca2 100644
--- a/bitnami/ruby/2.5/debian-9/Dockerfile
+++ b/bitnami/ruby/2.5/debian-9/Dockerfile
@@ -12,7 +12,7 @@ RUN sed -i 's/^PASS_MAX_DAYS.*/PASS_MAX_DAYS    90/' /etc/login.defs && \
     sed -i 's/sha512/sha512 minlen=8/' /etc/pam.d/common-password
 
 ENV BITNAMI_APP_NAME="ruby" \
-    BITNAMI_IMAGE_VERSION="2.5.6-debian-9-r17" \
+    BITNAMI_IMAGE_VERSION="2.5.6-debian-9-r18" \
     PATH="/opt/bitnami/ruby/bin:$PATH"
 
 EXPOSE 3000
diff --git a/bitnami/ruby/README.md b/bitnami/ruby/README.md
index 6cf8f6c47819..f7ede16d8ba4 100644
--- a/bitnami/ruby/README.md
+++ b/bitnami/ruby/README.md
@@ -54,8 +54,8 @@ Learn more about the Bitnami tagging policy and the difference between rolling t
 * [`2.6-debian-9`, `2.6.4-debian-9-r17`, `2.6`, `2.6.4`, `2.6.4-r17`, `latest` (2.6/debian-9/Dockerfile)](https://github.com/bitnami/bitnami-docker-ruby/blob/2.6.4-debian-9-r17/2.6/debian-9/Dockerfile)
 * [`2.5-ol-7-prod`, `2.5.6-ol-7-r21-prod` (2.5-prod/ol-7/Dockerfile)](https://github.com/bitnami/bitnami-docker-ruby/blob/2.5.6-ol-7-r21-prod/2.5-prod/ol-7/Dockerfile)
 * [`2.5-ol-7`, `2.5.6-ol-7-r21` (2.5/ol-7/Dockerfile)](https://github.com/bitnami/bitnami-docker-ruby/blob/2.5.6-ol-7-r21/2.5/ol-7/Dockerfile)
+* [`2.5-debian-9`, `2.5.6-debian-9-r18`, `2.5`, `2.5.6`, `2.5.6-r18` (2.5/debian-9/Dockerfile)](https://github.com/bitnami/bitnami-docker-ruby/blob/2.5.6-debian-9-r18/2.5/debian-9/Dockerfile)
 * [`2.5-debian-9-prod`, `2.5.6-debian-9-r17-prod`, `2.5-prod`, `2.5.6-prod`, `2.5.6-r17-prod` (2.5-prod/debian-9/Dockerfile)](https://github.com/bitnami/bitnami-docker-ruby/blob/2.5.6-debian-9-r17-prod/2.5-prod/debian-9/Dockerfile)
-* [`2.5-debian-9`, `2.5.6-debian-9-r17`, `2.5`, `2.5.6`, `2.5.6-r17` (2.5/debian-9/Dockerfile)](https://github.com/bitnami/bitnami-docker-ruby/blob/2.5.6-debian-9-r17/2.5/debian-9/Dockerfile)
 * [`2.4-ol-7-prod`, `2.4.7-ol-7-r21-prod` (2.4-prod/ol-7/Dockerfile)](https://github.com/bitnami/bitnami-docker-ruby/blob/2.4.7-ol-7-r21-prod/2.4-prod/ol-7/Dockerfile)
 * [`2.4-ol-7`, `2.4.7-ol-7-r21` (2.4/ol-7/Dockerfile)](https://github.com/bitnami/bitnami-docker-ruby/blob/2.4.7-ol-7-r21/2.4/ol-7/Dockerfile)
 * [`2.4-debian-9-prod`, `2.4.7-debian-9-r17-prod`, `2.4-prod`, `2.4.7-prod`, `2.4.7-r17-prod` (2.4-prod/debian-9/Dockerfile)](https://github.com/bitnami/bitnami-docker-ruby/blob/2.4.7-debian-9-r17-prod/2.4-prod/debian-9/Dockerfile)