diff --git a/bitnami/memcached/1/debian-10/Dockerfile b/bitnami/memcached/1/debian-10/Dockerfile
index a5627a29a685..d1b6d9a4c36b 100644
--- a/bitnami/memcached/1/debian-10/Dockerfile
+++ b/bitnami/memcached/1/debian-10/Dockerfile
@@ -20,7 +20,7 @@ RUN ln -s /opt/bitnami/scripts/memcached/run.sh /run.sh
 COPY rootfs /
 RUN /opt/bitnami/scripts/memcached/postunpack.sh
 ENV BITNAMI_APP_NAME="memcached" \
-    BITNAMI_IMAGE_VERSION="1.6.9-debian-10-r51" \
+    BITNAMI_IMAGE_VERSION="1.6.9-debian-10-r52" \
     PATH="/opt/bitnami/memcached/bin:/opt/bitnami/common/bin:$PATH"
 
 EXPOSE 11211
diff --git a/bitnami/memcached/1/debian-10/prebuildfs/opt/bitnami/scripts/libos.sh b/bitnami/memcached/1/debian-10/prebuildfs/opt/bitnami/scripts/libos.sh
index f38437a1d407..6a7512281470 100644
--- a/bitnami/memcached/1/debian-10/prebuildfs/opt/bitnami/scripts/libos.sh
+++ b/bitnami/memcached/1/debian-10/prebuildfs/opt/bitnami/scripts/libos.sh
@@ -6,6 +6,7 @@
 
 # Load Generic Libraries
 . /opt/bitnami/scripts/liblog.sh
+. /opt/bitnami/scripts/libfs.sh
 
 # Functions
 
@@ -118,7 +119,7 @@ ensure_user_exists() {
         local -a group_args=("$group")
         $is_system_user && group_args+=("--system")
         ensure_group_exists "${group_args[@]}"
-        usermod -a -G "$group" "$user" >/dev/null 2>&1
+        usermod -g "$group" "$user" >/dev/null 2>&1
     fi
 
     if [[ -n "$home" ]]; then
diff --git a/bitnami/memcached/README.md b/bitnami/memcached/README.md
index 4cb6c9ea9a43..047f4ec35e0f 100644
--- a/bitnami/memcached/README.md
+++ b/bitnami/memcached/README.md
@@ -44,7 +44,7 @@ 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/).
 
 
-* [`1`, `1-debian-10`, `1.6.9`, `1.6.9-debian-10-r51`, `latest` (1/debian-10/Dockerfile)](https://github.com/bitnami/bitnami-docker-memcached/blob/1.6.9-debian-10-r51/1/debian-10/Dockerfile)
+* [`1`, `1-debian-10`, `1.6.9`, `1.6.9-debian-10-r52`, `latest` (1/debian-10/Dockerfile)](https://github.com/bitnami/bitnami-docker-memcached/blob/1.6.9-debian-10-r52/1/debian-10/Dockerfile)
 
 Subscribe to project updates by watching the [bitnami/memcached GitHub repo](https://github.com/bitnami/bitnami-docker-memcached).