diff --git a/bitnami/python/3.8/debian-9/Dockerfile b/bitnami/python/3.8/debian-9/Dockerfile
index b32a0fb78f8f..4b16fc4f0b10 100644
--- a/bitnami/python/3.8/debian-9/Dockerfile
+++ b/bitnami/python/3.8/debian-9/Dockerfile
@@ -7,12 +7,14 @@ RUN wget -nc -P /tmp/bitnami/pkg/cache/ https://downloads.bitnami.com/files/stac
     echo "1b753811d96b46a7900b1e9aded424d9a35c9b53983202aa0db456e43ab9b0f5  /tmp/bitnami/pkg/cache/python-3.8.1-0-linux-amd64-debian-9.tar.gz" | sha256sum -c - && \
     tar -zxf /tmp/bitnami/pkg/cache/python-3.8.1-0-linux-amd64-debian-9.tar.gz -P --transform 's|^[^/]*/files|/opt/bitnami|' --wildcards '*/files' && \
     rm -rf /tmp/bitnami/pkg/cache/python-3.8.1-0-linux-amd64-debian-9.tar.gz
+RUN apt-get update && apt-get upgrade && \
+    rm -r /var/lib/apt/lists /var/cache/apt/archives
 RUN sed -i 's/^PASS_MAX_DAYS.*/PASS_MAX_DAYS    90/' /etc/login.defs && \
     sed -i 's/^PASS_MIN_DAYS.*/PASS_MIN_DAYS    0/' /etc/login.defs && \
     sed -i 's/sha512/sha512 minlen=8/' /etc/pam.d/common-password
 
 ENV BITNAMI_APP_NAME="python" \
-    BITNAMI_IMAGE_VERSION="3.8.1-debian-9-r19" \
+    BITNAMI_IMAGE_VERSION="3.8.1-debian-9-r20" \
     PATH="/opt/bitnami/python/bin:$PATH"
 
 EXPOSE 8000
diff --git a/bitnami/python/README.md b/bitnami/python/README.md
index f6bc4b24a614..0211eb9c8b42 100644
--- a/bitnami/python/README.md
+++ b/bitnami/python/README.md
@@ -50,8 +50,8 @@ Learn more about the Bitnami tagging policy and the difference between rolling t
 
 * [`3.8-ol-7-prod`, `3.8.1-ol-7-r30-prod` (3.8-prod/ol-7/Dockerfile)](https://github.com/bitnami/bitnami-docker-python/blob/3.8.1-ol-7-r30-prod/3.8-prod/ol-7/Dockerfile)
 * [`3.8-ol-7`, `3.8.1-ol-7-r25` (3.8/ol-7/Dockerfile)](https://github.com/bitnami/bitnami-docker-python/blob/3.8.1-ol-7-r25/3.8/ol-7/Dockerfile)
+* [`3.8-debian-9`, `3.8.1-debian-9-r20`, `3.8`, `3.8.1`, `3.8.1-r20` (3.8/debian-9/Dockerfile)](https://github.com/bitnami/bitnami-docker-python/blob/3.8.1-debian-9-r20/3.8/debian-9/Dockerfile)
 * [`3.8-debian-9-prod`, `3.8.1-debian-9-r19-prod`, `3.8-prod`, `3.8.1-prod`, `3.8.1-r19-prod` (3.8-prod/debian-9/Dockerfile)](https://github.com/bitnami/bitnami-docker-python/blob/3.8.1-debian-9-r19-prod/3.8-prod/debian-9/Dockerfile)
-* [`3.8-debian-9`, `3.8.1-debian-9-r19`, `3.8`, `3.8.1`, `3.8.1-r19` (3.8/debian-9/Dockerfile)](https://github.com/bitnami/bitnami-docker-python/blob/3.8.1-debian-9-r19/3.8/debian-9/Dockerfile)
 * [`3.7-ol-7-prod`, `3.7.6-ol-7-r25-prod` (3.7-prod/ol-7/Dockerfile)](https://github.com/bitnami/bitnami-docker-python/blob/3.7.6-ol-7-r25-prod/3.7-prod/ol-7/Dockerfile)
 * [`3.7-ol-7`, `3.7.6-ol-7-r25` (3.7/ol-7/Dockerfile)](https://github.com/bitnami/bitnami-docker-python/blob/3.7.6-ol-7-r25/3.7/ol-7/Dockerfile)
 * [`3.7-debian-9-prod`, `3.7.6-debian-9-r22-prod`, `3.7-prod`, `3.7.6-prod`, `3.7.6-r22-prod`, `latest-prod` (3.7-prod/debian-9/Dockerfile)](https://github.com/bitnami/bitnami-docker-python/blob/3.7.6-debian-9-r22-prod/3.7-prod/debian-9/Dockerfile)