diff --git a/.env.example b/.env.example
index 64b3e97..67f29e5 100644
--- a/.env.example
+++ b/.env.example
@@ -1,3 +1,4 @@
+POSTGRESQL_DB_PG_16=host=localhost port=10016 password=password-_-12!@#$%^&*()/;><.,]}{[ user=user-_-12!@#$%^&*()/;><.,]}{[ db=database-_-12!@#$%^&*()/;><.,]}{[ cron_rule=* * * * *
 POSTGRESQL_DB_PG_15=host=localhost port=10015 password=password-_-12!@#$%^&*()/;><.,]}{[ user=user-_-12!@#$%^&*()/;><.,]}{[ db=database-_-12!@#$%^&*()/;><.,]}{[ cron_rule=* * * * *
 POSTGRESQL_DB_PG_14=host=localhost port=10014 password=password-_-12!@#$%^&*()/;><.,]}{[ user=user-_-12!@#$%^&*()/;><.,]}{[ db=database-_-12!@#$%^&*()/;><.,]}{[ cron_rule=* * * * *
 POSTGRESQL_DB_PG_13=host=localhost port=10013 password=password-_-12!@#$%^&*()/;><.,]}{[ user=user-_-12!@#$%^&*()/;><.,]}{[ db=database-_-12!@#$%^&*()/;><.,]}{[ cron_rule=* * * * *
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 1faee78..f13246a 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -30,7 +30,7 @@ jobs:
         run: touch .env
 
       - name: Download and start db containers
-        run: docker compose up -d postgres_15 postgres_14 postgres_13 postgres_12 postgres_11 mysql_57 mysql_80 mariadb_1011 mariadb_1006 mariadb_1005 mariadb_1004
+        run: docker compose up -d postgres_16 postgres_15 postgres_14 postgres_13 postgres_12 postgres_11 mysql_57 mysql_80 mariadb_1011 mariadb_1006 mariadb_1005 mariadb_1004
 
       - name: Build image and run tests in container
         run: docker compose run --rm --build backuper_tests_${{ matrix.arch }}
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index b3d60d4..6fbb306 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -39,7 +39,7 @@ Both upload providers and backup targets were created with possibility to easly
 
 5. Setup databases
 
-   `docker compose up -d postgres_15 postgres_14 postgres_13 postgres_12 postgres_11 mysql_57 mysql_80 mariadb_1011 mariadb_1006 mariadb_1005 mariadb_1004`
+   `docker compose up -d postgres_16 postgres_15 postgres_14 postgres_13 postgres_12 postgres_11 mysql_57 mysql_80 mariadb_1011 mariadb_1006 mariadb_1005 mariadb_1004`
 
 6. You can run backuper (`--single` here to make all backups immediatly and then exit):
 
diff --git a/README.md b/README.md
index 49bf49b..261761d 100644
--- a/README.md
+++ b/README.md
@@ -32,7 +32,7 @@ Backups are in `zip` format using [7-zip](https://www.7-zip.org/), with strong A
 
 ## Supported backup targets
 
-- PostgreSQL (tested on 15, 14, 13, 12, 11)
+- PostgreSQL (tested on 16, 15, 14, 13, 12, 11)
 - MySQL (tested on 8.0, 5.7)
 - MariaDB (tested on 10.11, 10.6, 10.5, 10.4)
 - Single file
diff --git a/docker-compose.yml b/docker-compose.yml
index 9c6e26b..25874c0 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -1,6 +1,6 @@
 # also used in GH workflows
 # set up dbs 
-# docker compose up -d postgres_15 postgres_14 postgres_13 postgres_12 postgres_11 mysql_57 mysql_80 mariadb_1011 mariadb_1006 mariadb_1005 mariadb_1004
+# docker compose up -d postgres_16 postgres_15 postgres_14 postgres_13 postgres_12 postgres_11 mysql_57 mysql_80 mariadb_1011 mariadb_1006 mariadb_1005 mariadb_1004
 # run tests amd64
 # docker compose run --rm --build backuper_tests_amd64
 # run tests arm64 see https://docs.docker.com/build/building/multi-platform/
@@ -10,9 +10,19 @@
 # docker compose run --rm --build backuper_acceptance_test_arm64
 
 services:
+  postgres_16:
+    restart: "no"
+    image: postgres:16.0
+    environment:
+      - POSTGRES_PASSWORD=password-_-12!@#$%^&*()/;><.,]}{[
+      - POSTGRES_USER=user-_-12!@#$%^&*()/;><.,]}{[
+      - POSTGRES_DB=database-_-12!@#$%^&*()/;><.,]}{[
+    ports:
+      - 10016:5432
+
   postgres_15:
     restart: "no"
-    image: postgres:15.1
+    image: postgres:15.4
     environment:
       - POSTGRES_PASSWORD=password-_-12!@#$%^&*()/;><.,]}{[
       - POSTGRES_USER=user-_-12!@#$%^&*()/;><.,]}{[
@@ -22,7 +32,7 @@ services:
 
   postgres_14:
     restart: "no"
-    image: postgres:14.6
+    image: postgres:14.9
     environment:
       - POSTGRES_PASSWORD=password-_-12!@#$%^&*()/;><.,]}{[
       - POSTGRES_USER=user-_-12!@#$%^&*()/;><.,]}{[
@@ -32,7 +42,7 @@ services:
 
   postgres_13:
     restart: "no"
-    image: postgres:13.8
+    image: postgres:13.12
     environment:
       - POSTGRES_PASSWORD=password-_-12!@#$%^&*()/;><.,]}{[
       - POSTGRES_USER=user-_-12!@#$%^&*()/;><.,]}{[
@@ -42,7 +52,7 @@ services:
 
   postgres_12:
     restart: "no"
-    image: postgres:12.12
+    image: postgres:12.16
     environment:
       - POSTGRES_PASSWORD=password-_-12!@#$%^&*()/;><.,]}{[
       - POSTGRES_USER=user-_-12!@#$%^&*()/;><.,]}{[
@@ -52,7 +62,7 @@ services:
 
   postgres_11:
     restart: "no"
-    image: postgres:11.16
+    image: postgres:11.21
     environment:
       - POSTGRES_PASSWORD=password-_-12!@#$%^&*()/;><.,]}{[
       - POSTGRES_USER=user-_-12!@#$%^&*()/;><.,]}{[
@@ -130,6 +140,7 @@ services:
     restart: "no"
     platform: linux/amd64
     depends_on:
+      - postgres_16
       - postgres_15
       - postgres_14
       - postgres_13
@@ -153,6 +164,7 @@ services:
     restart: "no"
     platform: linux/arm64
     depends_on:
+      - postgres_16
       - postgres_15
       - postgres_14
       - postgres_13
@@ -176,6 +188,7 @@ services:
     restart: "no"
     network_mode: "host"
     depends_on:
+      - postgres_16
       - postgres_15
       - postgres_14
       - postgres_13
@@ -200,6 +213,7 @@ services:
     network_mode: "host"
     platform: linux/amd64
     depends_on:
+      - postgres_16
       - postgres_15
       - postgres_14
       - postgres_13
@@ -224,6 +238,7 @@ services:
     network_mode: "host"
     platform: linux/arm64
     depends_on:
+      - postgres_16
       - postgres_15
       - postgres_14
       - postgres_13
diff --git a/docs/backup_targets/postgresql.md b/docs/backup_targets/postgresql.md
index 5731e60..c443e7b 100644
--- a/docs/backup_targets/postgresql.md
+++ b/docs/backup_targets/postgresql.md
@@ -12,7 +12,7 @@ POSTGRESQL_SOME_STRING="host=... password=... cron_rule=..."
 ```
 
 !!! note
-    _Any environment variable that starts with "**POSTGRESQL_**" will be handled as PostgreSQL._ There can be multiple files paths definition for one backuper instance, for example `POSTGRESQL_FOO_MY_DB1` and `POSTGRESQL_BAR_MY_DB2`. Supported versions are: 15, 14, 13, 12, 11. Params must be included in value, splited by single space for example `"value1=1 value2=foo"`.
+_Any environment variable that starts with "**POSTGRESQL_**" will be handled as PostgreSQL._ There can be multiple files paths definition for one backuper instance, for example `POSTGRESQL_FOO_MY_DB1` and `POSTGRESQL_BAR_MY_DB2`. Supported versions are: 16, 15, 14, 13, 12, 11. Params must be included in value, splited by single space for example `"value1=1 value2=foo"`.
 
 ## Params
 
diff --git a/tests/conftest.py b/tests/conftest.py
index 6107f02..3d54c93 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -28,6 +28,15 @@
     cron_rule="* * * * *",
     abs_path=Path(__file__).absolute().parent / "const/testfolder",
 )
+POSTGRES_16 = PostgreSQLTargetModel(
+    env_name="postgresql_db_15",
+    cron_rule="* * * * *",
+    host="postgres_16" if DOCKER_TESTS else "localhost",
+    port=5432 if DOCKER_TESTS else 10016,
+    password=SecretStr("password-_-12!@#$%^&*()/;><.,]}{["),
+    db="database-_-12!@#$%^&*()/;><.,]}{[",
+    user="user-_-12!@#$%^&*()/;><.,]}{[",
+)
 POSTGRES_15 = PostgreSQLTargetModel(
     env_name="postgresql_db_15",
     cron_rule="* * * * *",
@@ -129,11 +138,11 @@
 )
 
 DB_VERSION_BY_ENV_VAR: dict[str, str] = {
-    "postgresql_db_15": "15.1",
-    "postgresql_db_14": "14.6",
+    "postgresql_db_15": "15.4",
+    "postgresql_db_14": "14.9",
     "postgresql_db_13": "13.8",
-    "postgresql_db_12": "12.12",
-    "postgresql_db_11": "11.16",
+    "postgresql_db_12": "12.16",
+    "postgresql_db_11": "11.21",
     "mysql_db_80": "8.0.33",
     "mysql_db_57": "5.7.42",
     "mariadb_1011": "10.11.2",
@@ -147,6 +156,7 @@
     POSTGRES_13,
     POSTGRES_14,
     POSTGRES_15,
+    POSTGRES_16,
 ]
 ALL_MYSQL_DBS_TARGETS: list[MySQLTargetModel] = [
     MYSQL_57,