diff --git a/bitnami/pgpool/4/debian-10/Dockerfile b/bitnami/pgpool/4/debian-10/Dockerfile
index f5f609faa69a..7e4d155354b1 100644
--- a/bitnami/pgpool/4/debian-10/Dockerfile
+++ b/bitnami/pgpool/4/debian-10/Dockerfile
@@ -20,7 +20,7 @@ RUN chmod g+rwX /opt/bitnami
 COPY rootfs /
 RUN /opt/bitnami/scripts/pgpool/postunpack.sh
 ENV BITNAMI_APP_NAME="pgpool" \
-    BITNAMI_IMAGE_VERSION="4.3.1-debian-10-r7" \
+    BITNAMI_IMAGE_VERSION="4.3.1-debian-10-r8" \
     PATH="/opt/bitnami/postgresql/bin:/opt/bitnami/common/bin:/opt/bitnami/pgpool/bin:$PATH"
 
 EXPOSE 5432
diff --git a/bitnami/pgpool/4/debian-10/rootfs/opt/bitnami/scripts/libpgpool.sh b/bitnami/pgpool/4/debian-10/rootfs/opt/bitnami/scripts/libpgpool.sh
index 3be5bc5568d6..8b1b557edf56 100644
--- a/bitnami/pgpool/4/debian-10/rootfs/opt/bitnami/scripts/libpgpool.sh
+++ b/bitnami/pgpool/4/debian-10/rootfs/opt/bitnami/scripts/libpgpool.sh
@@ -80,7 +80,7 @@ export PGPOOL_POSTGRES_CUSTOM_PASSWORDS="${PGPOOL_POSTGRES_CUSTOM_PASSWORDS:-}"
 export PGPOOL_AUTO_FAILBACK="${PGPOOL_AUTO_FAILBACK:-no}"
 export PGPOOL_BACKEND_APPLICATION_NAMES="${PGPOOL_BACKEND_APPLICATION_NAMES:-}"
 export PGPOOL_AUTHENTICATION_METHOD="${PGPOOL_AUTHENTICATION_METHOD:-md5}"
-export PGPOOL_AES_KEY="${PGPOOL_AES_KEY:-$(head -c 20 /dev/random | base64)}"
+export PGPOOL_AES_KEY="${PGPOOL_AES_KEY:-$(head -c 20 /dev/urandom | base64)}"
 
 # SSL
 export PGPOOL_ENABLE_TLS="${PGPOOL_ENABLE_TLS:-no}"
diff --git a/bitnami/pgpool/README.md b/bitnami/pgpool/README.md
index 2ff6e1b0a1ea..649ce989df31 100644
--- a/bitnami/pgpool/README.md
+++ b/bitnami/pgpool/README.md
@@ -45,7 +45,7 @@ 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/).
 
 
-* [`4`, `4-debian-10`, `4.3.1`, `4.3.1-debian-10-r7`, `latest` (4/debian-10/Dockerfile)](https://github.com/bitnami/bitnami-docker-pgpool/blob/4.3.1-debian-10-r7/4/debian-10/Dockerfile)
+* [`4`, `4-debian-10`, `4.3.1`, `4.3.1-debian-10-r8`, `latest` (4/debian-10/Dockerfile)](https://github.com/bitnami/bitnami-docker-pgpool/blob/4.3.1-debian-10-r8/4/debian-10/Dockerfile)
 
 Subscribe to project updates by watching the [bitnami/pgpool GitHub repo](https://github.com/bitnami/bitnami-docker-pgpool).