diff --git a/bitnami/logstash/7/ol-7/Dockerfile b/bitnami/logstash/7/ol-7/Dockerfile
index e265b0556126..71d50560a24d 100644
--- a/bitnami/logstash/7/ol-7/Dockerfile
+++ b/bitnami/logstash/7/ol-7/Dockerfile
@@ -9,7 +9,7 @@ ENV HOME="/" \
 COPY prebuildfs /
 # Install required system packages and dependencies
 RUN install_packages ca-certificates curl glibc gzip hostname libaio-devel libgcc procps-ng sudo tar which zlib
-RUN . ./libcomponent.sh && component_unpack "logstash" "7.5.2-0" --checksum 028cd9c6c30aefbfabf4bd3d10de0a200f7bd39fcc6f034a8fef83607b96b9ea
+RUN . ./libcomponent.sh && component_unpack "logstash" "7.5.2-1" --checksum 4bbadedda71fde025f397b337aa291f703759e0ab878fee505841f03c1a49fa4
 RUN . ./libcomponent.sh && component_unpack "java" "1.8.242-0" --checksum 974f750091ac1bf18cc1ce9472ef5ed7c1b328a2c17471cb9ac810fcded67151
 RUN yum upgrade -y && \
     rm -r /var/cache/yum
@@ -18,7 +18,7 @@ RUN /build/install-gosu.sh
 COPY rootfs /
 RUN /postunpack.sh
 ENV BITNAMI_APP_NAME="logstash" \
-    BITNAMI_IMAGE_VERSION="7.5.2-ol-7-r11" \
+    BITNAMI_IMAGE_VERSION="7.5.2-ol-7-r12" \
     PATH="/opt/bitnami/logstash/bin:/opt/bitnami/java/bin:$PATH"
 
 EXPOSE 8080
diff --git a/bitnami/logstash/7/ol-7/prebuildfs/libfile.sh b/bitnami/logstash/7/ol-7/prebuildfs/libfile.sh
index 12010f043e49..337e2e779701 100644
--- a/bitnami/logstash/7/ol-7/prebuildfs/libfile.sh
+++ b/bitnami/logstash/7/ol-7/prebuildfs/libfile.sh
@@ -5,18 +5,56 @@
 # Functions
 
 ########################
-# Ensure a line exists in the file by replacing a matching line.
+# Replace a regex in a file
 # Arguments:
 #   $1 - filename
-#   $2 - line
-#   $3 - match
+#   $2 - match regex
+#   $3 - substitute regex
+#   $4 - use POSIX regex. Default: true
 # Returns:
 #   None
 #########################
-file_contains_line() {
+replace_in_file() {
     local filename="${1:?filename is required}"
-    local line="${2:?line is required}"
-    local match="${3:?match is required}"
+    local match_regex="${2:?match regex is required}"
+    local substitute_regex="${3:?substitute regex is required}"
+    local posix_regex=${4:-true}
 
-    sed --in-place "s/^$match\$/$line/" "$filename"
+    local result
+
+    # We should avoid using 'sed in-place' substitutions
+    # 1) They are not compatible with files mounted from ConfigMap(s)
+    # 2) We found incompatibility issues with Debian10 and "in-place" substitutions
+    if [[ $posix_regex = true ]]; then
+        result="$(sed -E "s@$match_regex@$substitute_regex@g" "$filename")"
+    else
+        result="$(sed "s@$match_regex@$substitute_regex@g" "$filename")"
+    fi
+    echo "$result" > "$filename"
+}
+
+########################
+# Remove a line in a file based on a regex
+# Arguments:
+#   $1 - filename
+#   $2 - match regex
+#   $3 - use POSIX regex. Default: true
+# Returns:
+#   None
+#########################
+remove_in_file() {
+    local filename="${1:?filename is required}"
+    local match_regex="${2:?match regex is required}"
+    local posix_regex=${3:-true}
+    local result
+
+    # We should avoid using 'sed in-place' substitutions
+    # 1) They are not compatible with files mounted from ConfigMap(s)
+    # 2) We found incompatibility issues with Debian10 and "in-place" substitutions
+    if [[ $posix_regex = true ]]; then
+        result="$(sed -E "/$match_regex/d" "$filename")"
+    else
+        result="$(sed "/$match_regex/d" "$filename")"
+    fi
+    echo "$result" > "$filename"
 }
diff --git a/bitnami/logstash/README.md b/bitnami/logstash/README.md
index 4ad22247d4b2..001bc49862e1 100644
--- a/bitnami/logstash/README.md
+++ b/bitnami/logstash/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/containers/how-to/understand-rolling-tags-containers/).
 
 
-* [`7-ol-7`, `7.5.2-ol-7-r11` (7/ol-7/Dockerfile)](https://github.com/bitnami/bitnami-docker-logstash/blob/7.5.2-ol-7-r11/7/ol-7/Dockerfile)
+* [`7-ol-7`, `7.5.2-ol-7-r12` (7/ol-7/Dockerfile)](https://github.com/bitnami/bitnami-docker-logstash/blob/7.5.2-ol-7-r12/7/ol-7/Dockerfile)
 * [`7-debian-10`, `7.5.2-debian-10-r9`, `7`, `7.5.2`, `latest` (7/debian-10/Dockerfile)](https://github.com/bitnami/bitnami-docker-logstash/blob/7.5.2-debian-10-r9/7/debian-10/Dockerfile)
 
 Subscribe to project updates by watching the [bitnami/logstash GitHub repo](https://github.com/bitnami/bitnami-docker-logstash).