diff --git a/.github/release-drafter-config.yml b/.github/release-drafter-config.yml
index 8bfd8f3..1687859 100644
--- a/.github/release-drafter-config.yml
+++ b/.github/release-drafter-config.yml
@@ -22,8 +22,7 @@ categories:
     labels:
       - documentation
 
-change-template: |
-  - (#$NUMBER) $TITLE by @$AUTHOR
+change-template: "- (#$NUMBER) $TITLE by @$AUTHOR"
 
 no-changes-template: 'No significant changes'
 
diff --git a/.github/workflows/cla.yaml b/.github/workflows/cla.yaml
index 9655936..5d6afe6 100644
--- a/.github/workflows/cla.yaml
+++ b/.github/workflows/cla.yaml
@@ -4,7 +4,7 @@ on:
   issue_comment:
     types: [created]
   pull_request_target:
-    types: [opened, closed, synchronize]
+    types: [opened]
 
 permissions:
   contents: read
@@ -21,7 +21,7 @@ jobs:
     steps:
       - name: "CLA Assistant"
         if: (github.event.comment.body == 'recheck' || github.event.comment.body == 'I have read the CLA Document and I hereby sign the CLA') || github.event_name == 'pull_request_target'
-        uses: contributor-assistant/github-action@v2.6.1
+        uses: contributor-assistant/github-action@ca4a40a7d1004f18d9960b404b97e5f30a505a08 #v2.6.1
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
           PERSONAL_ACCESS_TOKEN: ${{ secrets.CLA_ACCESS_TOKEN }}
diff --git a/.github/workflows/link-checker.yaml b/.github/workflows/link-checker.yaml
index 4656d06..3334642 100644
--- a/.github/workflows/link-checker.yaml
+++ b/.github/workflows/link-checker.yaml
@@ -13,10 +13,31 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
+      - name: Restore lychee cache
+        uses: actions/cache@v4
+        id: restore-cache
+        with:
+          path: .lycheecache
+          key: cache-lychee-${{ github.sha }}
+          restore-keys: cache-lychee-
+
       - name: Link Checker
         id: lychee
         uses: lycheeverse/lychee-action@v2
         with:
-          args: --base . --verbose --no-progress './**/*.md' --accept 100..=103,200..=299,429
+          args: >-
+            './**/*.md'
+            --verbose
+            --no-progress
+            --user-agent 'Mozilla/5.0 (X11; Linux x86_64) Chrome/134.0.0.0'
+            --retry-wait-time 60
+            --max-retries 8
+            --accept 100..=103,200..=299,429
+            --cookie-jar cookies.json
+            --exclude-all-private
+            --max-concurrency 4
+            --cache
+            --cache-exclude-status '429, 500..502'
+            --max-cache-age 1d
           format: markdown
           fail: true
diff --git a/.github/workflows/security-scan.yml b/.github/workflows/security-scan.yml
new file mode 100644
index 0000000..fc1e926
--- /dev/null
+++ b/.github/workflows/security-scan.yml
@@ -0,0 +1,59 @@
+name: Security Scan
+on:
+  workflow_dispatch:
+    inputs:
+      target:
+        description: "Scan part"
+        required: true
+        default: "docker"
+        type: choice
+        options:
+          - docker
+          - source
+      image:
+        description: "Docker image (for 'docker' target). By default ghcr.io/<owner>/<repo>:latest"
+        required: false
+        default: ""
+      only-high-critical:
+        description: "Scan only HIGH + CRITICAL"
+        required: false
+        default: true
+        type: boolean
+      trivy-scan:
+        description: "Run Trivy scan"
+        required: false
+        default: true
+        type: boolean
+      grype-scan:
+        description: "Run Grype scan"
+        required: false
+        default: true
+        type: boolean
+      continue-on-error:
+        description: "Continue on error"
+        required: false
+        default: true
+        type: boolean
+      only-fixed:
+        description: "Show only fixable vulnerabilities"
+        required: false
+        default: true
+        type: boolean
+
+permissions:
+  contents: read
+  security-events: write
+  actions: read
+  packages: read
+
+jobs:
+  security-scan:
+    uses: netcracker/qubership-workflow-hub/.github/workflows/re-security-scan.yml@main
+    with:
+      target: ${{ github.event.inputs.target || 'source' }}
+      image: ${{ github.event.inputs.image || '' }}
+      only-high-critical: ${{ inputs.only-high-critical}}
+      trivy-scan: ${{ inputs.trivy-scan }}
+      grype-scan: ${{ inputs.grype-scan }}
+      only-fixed: ${{ inputs.only-fixed }}
+      continue-on-error: ${{ inputs.continue-on-error }}
\ No newline at end of file
diff --git a/alpine/Dockerfile b/alpine/Dockerfile
index eb5d198..b36882e 100644
--- a/alpine/Dockerfile
+++ b/alpine/Dockerfile
@@ -5,7 +5,7 @@ ENV S3_CERT_PATH_INTERNAL=/s3CertInternal
 
 ARG PY_APSW_VER="3.40.1.0"
 ARG PIP="25.3"
-ARG SETUPTOOLS="78.1.1"
+ARG SETUPTOOLS="80.9.0"
 ARG TMP_DIR="/tmp"
 
 COPY requirements.txt ${BACKUP_DAEMON_HOME}/
@@ -37,4 +37,4 @@ RUN mkdir -p ${S3_CERT_PATH_INTERNAL} \
 
 VOLUME /backup-storage
 
-CMD ["python3", "/opt/backup/backup-daemon.py"]
+CMD ["python3", "/opt/backup/backup-daemon.py"]
\ No newline at end of file
diff --git a/requirements.txt b/requirements.txt
index b7bf3d3..5069539 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,8 +2,8 @@ aniso8601==9.0.1
 appdirs==1.4.4
 apsw==3.40.1.0
 attrs==21.4.0
-boto3==1.28.62
-botocore==1.31.62
+boto3==1.34.63
+botocore==1.34.63
 CacheControl==0.12.10
 certifi==2024.7.4
 charset-normalizer==2.0.7
@@ -37,12 +37,12 @@ pyrsistent==0.18.1
 python-dateutil==2.8.2
 pytz==2021.3
 PyYAML==6.0.1
-requests==2.31.0
+requests==2.32.4
 retrying==1.3.3
-s3transfer==0.7.0
+s3transfer==0.10.0
 six==1.16.0
 toml==0.10.2
 tomli==1.2.2
-urllib3==2.0.6
+urllib3==2.6.3
 webencodings==0.5.1
-Werkzeug==3.0.6
+Werkzeug==3.1.5
diff --git a/src/db.py b/src/db.py
index 6a44e21..175f546 100644
--- a/src/db.py
+++ b/src/db.py
@@ -13,6 +13,7 @@
 # limitations under the License.
 
 import logging
+import threading
 import apsw
 
 
@@ -29,6 +30,8 @@ class DbException(Exception):
 
 
 class DB:
+    _lock = threading.Lock()
+    
     def __init__(self, dbfile):
         """
         Create a connection to sqlite database
@@ -41,7 +44,7 @@ def __init__(self, dbfile):
         self.__dbfile = dbfile
         try:
             log.debug("Database file: %s" % self.__dbfile)
-            self.__cursor = DB.__create_connection(dbfile).cursor()
+            self.__conn = DB.__create_connection(dbfile)
         except apsw.Error as err:
             log.exception("Database error during init: %s" % err)
             raise DbException("Database error during init")
@@ -67,24 +70,27 @@ def __create_connection(db_file):
 
     def __create_table(self, query):
         try:
-            self.__cursor.execute(query)
+            cursor = self.__conn.cursor()
+            with cursor:
+                cursor.execute(query)
         except apsw.Error as err:
             log.exception("Database Error: %s" % err)
             return 0
 
     @staticmethod
     def __log_and_execute(cursor, sql, args):
-        log.debug("SQL command: " + sql.replace('?', '%s') % args)
-        cursor.execute(sql, args)
+        with DB._lock:
+            log.debug("SQL command: " + sql.replace('?', '%s') % args)
+            cursor.execute(sql, args)
 
     def __insert_or_delete(self, query, params, login=False):
         try:
             if login:
                 cursor = DB.__create_connection(self.__dbfile).cursor()
             else:
-                cursor = self.__cursor
-
-            DB.__log_and_execute(cursor, query, params)
+                cursor = self.__conn.cursor()
+            with cursor:
+                DB.__log_and_execute(cursor, query, params)
             return 1
         except apsw.Error as err:
             log.exception("Database Error: %s" % err)
@@ -95,10 +101,10 @@ def __select(self, query, params, login=False):
             if login:
                 cursor = DB.__create_connection(self.__dbfile).cursor()
             else:
-                cursor = self.__cursor
-
-            DB.__log_and_execute(cursor, query, params)
-            return cursor.fetchall()
+                cursor = self.__conn.cursor()
+            with cursor:
+                DB.__log_and_execute(cursor, query, params)
+                return cursor.fetchall()
         except apsw.Error as err:
             log.exception("Database Error: %s" % err)
             return None