diff --git a/bitnami/postgresql/13/debian-10/Dockerfile b/bitnami/postgresql/13/debian-10/Dockerfile
index 1f6c4a4e39ef..35e8d1343e24 100644
--- a/bitnami/postgresql/13/debian-10/Dockerfile
+++ b/bitnami/postgresql/13/debian-10/Dockerfile
@@ -22,7 +22,7 @@ COPY rootfs /
 RUN /opt/bitnami/scripts/postgresql/postunpack.sh
 RUN /opt/bitnami/scripts/locales/add-extra-locales.sh
 ENV BITNAMI_APP_NAME="postgresql" \
-    BITNAMI_IMAGE_VERSION="13.2.0-debian-10-r4" \
+    BITNAMI_IMAGE_VERSION="13.2.0-debian-10-r5" \
     LANG="en_US.UTF-8" \
     LANGUAGE="en_US:en" \
     NSS_WRAPPER_LIB="/opt/bitnami/common/lib/libnss_wrapper.so" \
diff --git a/bitnami/postgresql/13/debian-10/rootfs/opt/bitnami/scripts/postgresql-env.sh b/bitnami/postgresql/13/debian-10/rootfs/opt/bitnami/scripts/postgresql-env.sh
index 066a50b2da91..9b4759f64f3c 100644
--- a/bitnami/postgresql/13/debian-10/rootfs/opt/bitnami/scripts/postgresql-env.sh
+++ b/bitnami/postgresql/13/debian-10/rootfs/opt/bitnami/scripts/postgresql-env.sh
@@ -8,6 +8,9 @@
 # 3. Environment variables overridden via external files using *_FILE variables (see below)
 # 4. Environment variables set externally (i.e. current Bash context/Dockerfile/userdata)
 
+# Load logging library
+. /opt/bitnami/scripts/liblog.sh
+
 export BITNAMI_ROOT_DIR="/opt/bitnami"
 export BITNAMI_VOLUME_DIR="/bitnami"
 
@@ -149,8 +152,12 @@ postgresql_env_vars=(
 for env_var in "${postgresql_env_vars[@]}"; do
     file_env_var="${env_var}_FILE"
     if [[ -n "${!file_env_var:-}" ]]; then
-        export "${env_var}=$(< "${!file_env_var}")"
-        unset "${file_env_var}"
+        if [[ -r "${!file_env_var:-}" ]]; then
+            export "${env_var}=$(< "${!file_env_var}")"
+            unset "${file_env_var}"
+        else
+            warn "Skipping export of '${env_var}'. '${!file_env_var:-}' is not readable."
+        fi
     fi
 done
 unset postgresql_env_vars
diff --git a/bitnami/postgresql/README.md b/bitnami/postgresql/README.md
index 51b36eeb1b32..81e1b438a521 100644
--- a/bitnami/postgresql/README.md
+++ b/bitnami/postgresql/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/).
 
 
-* [`13`, `13-debian-10`, `13.2.0`, `13.2.0-debian-10-r4` (13/debian-10/Dockerfile)](https://github.com/bitnami/bitnami-docker-postgresql/blob/13.2.0-debian-10-r4/13/debian-10/Dockerfile)
+* [`13`, `13-debian-10`, `13.2.0`, `13.2.0-debian-10-r5` (13/debian-10/Dockerfile)](https://github.com/bitnami/bitnami-docker-postgresql/blob/13.2.0-debian-10-r5/13/debian-10/Dockerfile)
 * [`12`, `12-debian-10`, `12.6.0`, `12.6.0-debian-10-r4` (12/debian-10/Dockerfile)](https://github.com/bitnami/bitnami-docker-postgresql/blob/12.6.0-debian-10-r4/12/debian-10/Dockerfile)
 * [`11`, `11-debian-10`, `11.11.0`, `11.11.0-debian-10-r5`, `latest` (11/debian-10/Dockerfile)](https://github.com/bitnami/bitnami-docker-postgresql/blob/11.11.0-debian-10-r5/11/debian-10/Dockerfile)
 * [`10`, `10-debian-10`, `10.16.0`, `10.16.0-debian-10-r5` (10/debian-10/Dockerfile)](https://github.com/bitnami/bitnami-docker-postgresql/blob/10.16.0-debian-10-r5/10/debian-10/Dockerfile)