diff --git a/.gitea/workflows/build.yml b/.gitea/workflows/build.yml
index e1f50d9..2a920da 100644
--- a/.gitea/workflows/build.yml
+++ b/.gitea/workflows/build.yml
@@ -15,7 +15,7 @@ jobs:
       RUNNER_TOOL_CACHE: /toolcache
     strategy:
       matrix:
-        postgres-version: ['pg15', 'pg16', 'pg17']
+        postgres-version: ['pg15', 'pg16', 'pg17', 'pg18']
     steps:
       - name: Checkout
         uses: actions/checkout@v4
diff --git a/Dockerfile.pg16 b/Dockerfile.pg16
index 12dcaaa..e14bb3b 100644
--- a/Dockerfile.pg16
+++ b/Dockerfile.pg16
@@ -1,4 +1,4 @@
-FROM alpine:3.22
+FROM alpine:3.23
 
 ENV APP_HOME=/home/app/docker-postgres-backup \
     PYTHONUNBUFFERED=1 \
diff --git a/Dockerfile.pg17 b/Dockerfile.pg17
index e182989..812d93c 100644
--- a/Dockerfile.pg17
+++ b/Dockerfile.pg17
@@ -1,4 +1,4 @@
-FROM alpine:3.22
+FROM alpine:3.23
 
 ENV APP_HOME=/home/app/docker-postgres-backup \
     PYTHONUNBUFFERED=1 \
diff --git a/Dockerfile.pg18 b/Dockerfile.pg18
new file mode 100644
index 0000000..eedaba6
--- /dev/null
+++ b/Dockerfile.pg18
@@ -0,0 +1,20 @@
+FROM alpine:3.23
+
+ENV APP_HOME=/home/app/docker-postgres-backup \
+    PYTHONUNBUFFERED=1 \
+    PYTHONDONTWRITEBYTECODE=1 \
+    PIP_BREAK_SYSTEM_PACKAGES=1 \
+    PIP_NO_CACHE_DIR=off \
+    PIP_DISABLE_PIP_VERSION_CHECK=on \
+    LANG=en_US.UTF-8
+
+RUN apk --no-cache add postgresql18-client python3 py3-pip tini
+
+COPY ./ $APP_HOME
+WORKDIR $APP_HOME
+
+RUN python3 -m pip install $APP_HOME
+
+ENTRYPOINT ["tini", "--"]
+
+CMD ["python3", "start.py"]
diff --git a/poetry.lock b/poetry.lock
index 416e849..f3eb297 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1,35 +1,35 @@
-# This file is automatically @generated by Poetry 2.1.3 and should not be changed by hand.
+# This file is automatically @generated by Poetry 2.2.1 and should not be changed by hand.
 
 [[package]]
 name = "boto3"
-version = "1.38.32"
+version = "1.42.9"
 description = "The AWS SDK for Python"
 optional = false
 python-versions = ">=3.9"
 groups = ["main"]
 files = [
-    {file = "boto3-1.38.32-py3-none-any.whl", hash = "sha256:b998edac72f6740bd5d9d585cf3880f2dfeb4842e626b34430fd0e9623378011"},
-    {file = "boto3-1.38.32.tar.gz", hash = "sha256:3faa2c328a61745f3215a63039606a6fcf55d9afe1cc76e3a5e27b9db58cdbf6"},
+    {file = "boto3-1.42.9-py3-none-any.whl", hash = "sha256:d21d22af9aeb1bad8e9b670a221d6534c0120f7e7baf523dafaca83f1f5c3f90"},
+    {file = "boto3-1.42.9.tar.gz", hash = "sha256:cdd4cc3e5bb08ed8a0c5cc77eca78f98f0239521de0991f14e44b788b0c639b2"},
 ]
 
 [package.dependencies]
-botocore = ">=1.38.32,<1.39.0"
+botocore = ">=1.42.9,<1.43.0"
 jmespath = ">=0.7.1,<2.0.0"
-s3transfer = ">=0.13.0,<0.14.0"
+s3transfer = ">=0.16.0,<0.17.0"
 
 [package.extras]
 crt = ["botocore[crt] (>=1.21.0,<2.0a0)"]
 
 [[package]]
 name = "botocore"
-version = "1.38.32"
+version = "1.42.9"
 description = "Low-level, data-driven core of boto 3."
 optional = false
 python-versions = ">=3.9"
 groups = ["main"]
 files = [
-    {file = "botocore-1.38.32-py3-none-any.whl", hash = "sha256:64ab919a5d8b74dd73eaac1f978d0e674d11ff3bbe8815c3d2982477be9a082c"},
-    {file = "botocore-1.38.32.tar.gz", hash = "sha256:0899a090e352cb5eeaae2c7bb52a987b469d23912c7ece86664dfb5c2e074978"},
+    {file = "botocore-1.42.9-py3-none-any.whl", hash = "sha256:f99ba2ca34e24c4ebec150376c815646970753c032eb84f230874b2975a185a8"},
+    {file = "botocore-1.42.9.tar.gz", hash = "sha256:74f69bfd116cc7c8215481284957eecdb48580e071dd50cb8c64356a866abd8c"},
 ]
 
 [package.dependencies]
@@ -38,7 +38,7 @@ python-dateutil = ">=2.1,<3.0.0"
 urllib3 = {version = ">=1.25.4,<2.2.0 || >2.2.0,<3", markers = "python_version >= \"3.10\""}
 
 [package.extras]
-crt = ["awscrt (==0.23.8)"]
+crt = ["awscrt (==0.29.2)"]
 
 [[package]]
 name = "jmespath"
@@ -81,14 +81,14 @@ files = [
 
 [[package]]
 name = "s3transfer"
-version = "0.13.0"
+version = "0.16.0"
 description = "An Amazon S3 Transfer Manager"
 optional = false
 python-versions = ">=3.9"
 groups = ["main"]
 files = [
-    {file = "s3transfer-0.13.0-py3-none-any.whl", hash = "sha256:0148ef34d6dd964d0d8cf4311b2b21c474693e57c2e069ec708ce043d2b527be"},
-    {file = "s3transfer-0.13.0.tar.gz", hash = "sha256:f5e6db74eb7776a37208001113ea7aa97695368242b364d73e91c981ac522177"},
+    {file = "s3transfer-0.16.0-py3-none-any.whl", hash = "sha256:18e25d66fed509e3868dc1572b3f427ff947dd2c56f844a5bf09481ad3f3b2fe"},
+    {file = "s3transfer-0.16.0.tar.gz", hash = "sha256:8e990f13268025792229cd52fa10cb7163744bf56e719e0b9cb925ab79abf920"},
 ]
 
 [package.dependencies]
@@ -126,21 +126,21 @@ files = [
 
 [[package]]
 name = "urllib3"
-version = "2.4.0"
+version = "2.6.2"
 description = "HTTP library with thread-safe connection pooling, file post, and more."
 optional = false
 python-versions = ">=3.9"
 groups = ["main"]
 files = [
-    {file = "urllib3-2.4.0-py3-none-any.whl", hash = "sha256:4e16665048960a0900c702d4a66415956a584919c03361cac9f1df5c5dd7e813"},
-    {file = "urllib3-2.4.0.tar.gz", hash = "sha256:414bc6535b787febd7567804cc015fee39daab8ad86268f1310a9250697de466"},
+    {file = "urllib3-2.6.2-py3-none-any.whl", hash = "sha256:ec21cddfe7724fc7cb4ba4bea7aa8e2ef36f607a4bab81aa6ce42a13dc3f03dd"},
+    {file = "urllib3-2.6.2.tar.gz", hash = "sha256:016f9c98bb7e98085cb2b4b17b87d2c702975664e4f060c6532e64d1c1a5e797"},
 ]
 
 [package.extras]
-brotli = ["brotli (>=1.0.9) ; platform_python_implementation == \"CPython\"", "brotlicffi (>=0.8.0) ; platform_python_implementation != \"CPython\""]
+brotli = ["brotli (>=1.2.0) ; platform_python_implementation == \"CPython\"", "brotlicffi (>=1.2.0.0) ; platform_python_implementation != \"CPython\""]
 h2 = ["h2 (>=4,<5)"]
 socks = ["pysocks (>=1.5.6,!=1.5.7,<2.0)"]
-zstd = ["zstandard (>=0.18.0)"]
+zstd = ["backports-zstd (>=1.0.0) ; python_version < \"3.14\""]
 
 [metadata]
 lock-version = "2.1"
diff --git a/pyproject.toml b/pyproject.toml
index 292a4b6..8e813f3 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "docker-postgres-backup"
-version = "0.5"
+version = "0.6"
 description = ""
 authors = ["Eugene Morozov <e@morozov.ee>"]
 packages = [