diff --git a/bitnami/ruby/2.2/Dockerfile b/bitnami/ruby/2.2/Dockerfile
index 347454cb9338..7e95be9597e0 100644
--- a/bitnami/ruby/2.2/Dockerfile
+++ b/bitnami/ruby/2.2/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="2.2.10-r20" \
+    BITNAMI_IMAGE_VERSION="2.2.10-r21" \
     PATH="/opt/bitnami/ruby/bin:$PATH"
 
 EXPOSE 3000
diff --git a/bitnami/ruby/2.2/prod/Dockerfile b/bitnami/ruby/2.2/prod/Dockerfile
index 03721c68ea27..3ed1e4d945b1 100644
--- a/bitnami/ruby/2.2/prod/Dockerfile
+++ b/bitnami/ruby/2.2/prod/Dockerfile
@@ -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="2.2.10-r20" \
+    BITNAMI_IMAGE_VERSION="2.2.10-r21" \
     PATH="/opt/bitnami/ruby/bin:$PATH"
 
 CMD ["irb"]
diff --git a/bitnami/ruby/README.md b/bitnami/ruby/README.md
index ff8c81d718c8..8b0a6a59bc92 100644
--- a/bitnami/ruby/README.md
+++ b/bitnami/ruby/README.md
@@ -33,7 +33,7 @@ $ docker-compose up -d
  - [`2.5`, `2.5.1-r21`, `latest` (2.5/Dockerfile)](https://github.com/bitnami/bitnami-docker-ruby/blob/2.5.1-r21/2.5/Dockerfile), [`2.5-prod`, `2.5.1-r21-prod` (2.5/prod/Dockerfile)](https://github.com/bitnami/bitnami-docker-ruby/blob/2.5.1-r21/2.5/prod/Dockerfile)
  - [`2.4`, `2.4.4-r21` (2.4/Dockerfile)](https://github.com/bitnami/bitnami-docker-ruby/blob/2.4.4-r21/2.4/Dockerfile), [`2.4-prod`, `2.4.4-r21-prod` (2.4/prod/Dockerfile)](https://github.com/bitnami/bitnami-docker-ruby/blob/2.4.4-r21/2.4/prod/Dockerfile)
  - [`2.3`, `2.3.7-r21` (2.3/Dockerfile)](https://github.com/bitnami/bitnami-docker-ruby/blob/2.3.7-r21/2.3/Dockerfile), [`2.3-prod`, `2.3.7-r21-prod` (2.3/prod/Dockerfile)](https://github.com/bitnami/bitnami-docker-ruby/blob/2.3.7-r21/2.3/prod/Dockerfile)
- - [`2.2`, `2.2.10-r20` (2.2/Dockerfile)](https://github.com/bitnami/bitnami-docker-ruby/blob/2.2.10-r20/2.2/Dockerfile), [`2.2-prod`, `2.2.10-r20-prod` (2.2/prod/Dockerfile)](https://github.com/bitnami/bitnami-docker-ruby/blob/2.2.10-r20/2.2/prod/Dockerfile)
+ - [`2.2`, `2.2.10-r21` (2.2/Dockerfile)](https://github.com/bitnami/bitnami-docker-ruby/blob/2.2.10-r21/2.2/Dockerfile), [`2.2-prod`, `2.2.10-r21-prod` (2.2/prod/Dockerfile)](https://github.com/bitnami/bitnami-docker-ruby/blob/2.2.10-r21/2.2/prod/Dockerfile)
  - [`2.1`, `2.1.10-r27` (2.1/Dockerfile)](https://github.com/bitnami/bitnami-docker-ruby/blob/2.1.10-r27/2.1/Dockerfile), [`2.1-prod`, `2.1.10-r27-prod` (2.1/prod/Dockerfile)](https://github.com/bitnami/bitnami-docker-ruby/blob/2.1.10-r27/2.1/prod/Dockerfile)
 
 Subscribe to project updates by watching the [bitnami/ruby GitHub repo](https://github.com/bitnami/bitnami-docker-ruby).