diff --git a/bitnami/matomo/4/debian-10/Dockerfile b/bitnami/matomo/4/debian-10/Dockerfile
index 25605fc09a51..626fe6f0d4d8 100644
--- a/bitnami/matomo/4/debian-10/Dockerfile
+++ b/bitnami/matomo/4/debian-10/Dockerfile
@@ -31,7 +31,7 @@ ENV ALLOW_EMPTY_PASSWORD="no" \
     APACHE_HTTPS_PORT_NUMBER="" \
     APACHE_HTTP_PORT_NUMBER="" \
     BITNAMI_APP_NAME="matomo" \
-    BITNAMI_IMAGE_VERSION="4.3.1-debian-10-r19" \
+    BITNAMI_IMAGE_VERSION="4.3.1-debian-10-r20" \
     MARIADB_HOST="mariadb" \
     MARIADB_PORT_NUMBER="3306" \
     MARIADB_ROOT_PASSWORD="" \
diff --git a/bitnami/matomo/4/debian-10/rootfs/opt/bitnami/scripts/libmysqlclient.sh b/bitnami/matomo/4/debian-10/rootfs/opt/bitnami/scripts/libmysqlclient.sh
index dbc8ac3011e1..a0c941c5ac05 100644
--- a/bitnami/matomo/4/debian-10/rootfs/opt/bitnami/scripts/libmysqlclient.sh
+++ b/bitnami/matomo/4/debian-10/rootfs/opt/bitnami/scripts/libmysqlclient.sh
@@ -348,6 +348,8 @@ is_mysql_not_running() {
 # Wait for MySQL/MariaDB to be running
 # Globals:
 #   DB_TMP_DIR
+#   DB_STARTUP_WAIT_RETRIES
+#   DB_STARTUP_WAIT_SLEEP_TIME
 # Arguments:
 #   None
 # Returns:
@@ -355,8 +357,8 @@ is_mysql_not_running() {
 #########################
 wait_for_mysql() {
     local pid
-    local -r retries=300
-    local -r sleep_time=2
+    local -r retries="${DB_STARTUP_WAIT_RETRIES:-300}"
+    local -r sleep_time="${DB_STARTUP_WAIT_SLEEP_TIME:-2}"
     if ! retry_while is_mysql_running "$retries" "$sleep_time"; then
         error "MySQL failed to start"
         return 1
diff --git a/bitnami/matomo/README.md b/bitnami/matomo/README.md
index 87775f863755..1d40a92a98a9 100644
--- a/bitnami/matomo/README.md
+++ b/bitnami/matomo/README.md
@@ -36,7 +36,7 @@ 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-r19`, `latest` (4/debian-10/Dockerfile)](https://github.com/bitnami/bitnami-docker-matomo/blob/4.3.1-debian-10-r19/4/debian-10/Dockerfile)
+* [`4`, `4-debian-10`, `4.3.1`, `4.3.1-debian-10-r20`, `latest` (4/debian-10/Dockerfile)](https://github.com/bitnami/bitnami-docker-matomo/blob/4.3.1-debian-10-r20/4/debian-10/Dockerfile)
 
 Subscribe to project updates by watching the [bitnami/matomo GitHub repo](https://github.com/bitnami/bitnami-docker-matomo).