diff --git a/bitnami/oauth2-proxy/7/debian-10/Dockerfile b/bitnami/oauth2-proxy/7/debian-10/Dockerfile
index f09c5403ab21..ad2253f360e1 100644
--- a/bitnami/oauth2-proxy/7/debian-10/Dockerfile
+++ b/bitnami/oauth2-proxy/7/debian-10/Dockerfile
@@ -13,10 +13,12 @@ RUN wget -nc -P /tmp/bitnami/pkg/cache/ https://downloads.bitnami.com/files/stac
     echo "611493a5e3e4fa3af2139ac5c2c53a758161cfbe63e0e10e2558150e2f6f9685  /tmp/bitnami/pkg/cache/oauth2-proxy-7.2.1-1-linux-amd64-debian-10.tar.gz" | sha256sum -c - && \
     tar -zxf /tmp/bitnami/pkg/cache/oauth2-proxy-7.2.1-1-linux-amd64-debian-10.tar.gz -P --transform 's|^[^/]*/files|/opt/bitnami|' --wildcards '*/files' && \
     rm -rf /tmp/bitnami/pkg/cache/oauth2-proxy-7.2.1-1-linux-amd64-debian-10.tar.gz
+RUN apt-get update && apt-get upgrade -y && \
+    rm -r /var/lib/apt/lists /var/cache/apt/archives
 RUN chmod g+rwX /opt/bitnami
 
 ENV BITNAMI_APP_NAME="oauth2-proxy" \
-    BITNAMI_IMAGE_VERSION="7.2.1-debian-10-r20" \
+    BITNAMI_IMAGE_VERSION="7.2.1-debian-10-r21" \
     PATH="/opt/bitnami/oauth2-proxy/bin:$PATH"
 
 EXPOSE 4180 8080
diff --git a/bitnami/oauth2-proxy/README.md b/bitnami/oauth2-proxy/README.md
index 01f87cf409e0..f787e29d0daa 100644
--- a/bitnami/oauth2-proxy/README.md
+++ b/bitnami/oauth2-proxy/README.md
@@ -35,7 +35,7 @@ Non-root container images add an extra layer of security and are generally recom
 Learn more about the Bitnami tagging policy and the difference between rolling tags and immutable tags [in our documentation page](https://docs.bitnami.com/tutorials/understand-rolling-tags-containers/).
 
 
-* [`7`, `7-debian-10`, `7.2.1`, `7.2.1-debian-10-r20`, `latest` (7/debian-10/Dockerfile)](https://github.com/bitnami/bitnami-docker-oauth2-proxy/blob/7.2.1-debian-10-r20/7/debian-10/Dockerfile)
+* [`7`, `7-debian-10`, `7.2.1`, `7.2.1-debian-10-r21`, `latest` (7/debian-10/Dockerfile)](https://github.com/bitnami/bitnami-docker-oauth2-proxy/blob/7.2.1-debian-10-r21/7/debian-10/Dockerfile)
 
 Subscribe to project updates by watching the [bitnami/oauth2-proxy GitHub repo](https://github.com/bitnami/bitnami-docker-oauth2-proxy).