diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index fb94962..01c0c93 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -17,6 +17,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
+        postgresql-version: [14]
         toolchain: [ 'stable' ]
         nightly: [false]
         include:
@@ -37,6 +38,14 @@ jobs:
         rustup run ${{ matrix.toolchain }} cargo --version --verbose
         rustup run ${{ matrix.toolchain }} cargo clippy --version
         rustup run ${{ matrix.toolchain }} cargo fmt --version
+    - name: Install PostgreSQL client version matching docker-compose
+      env:
+        POSTGRESQL_VERSION: ${{ matrix.postgresql-version }}
+      run: |
+        sudo sh -c 'echo "deb http://apt.postgresql.org/pub/repos/apt $(lsb_release -cs)-pgdg main" > /etc/apt/sources.list.d/pgdg.list'
+        wget --quiet -O - https://www.postgresql.org/media/keys/ACCC4CF8.asc | sudo apt-key add -
+        sudo apt-get update
+        sudo apt-get -y install --no-install-recommends "postgresql-client-${POSTGRESQL_VERSION}"
 
     - name: Cache cargo registry
       uses: actions/cache@v3
@@ -67,11 +76,19 @@ jobs:
     - name: Run test - mysql | sqlx | runtime-async-std
       run: rustup run ${{ matrix.toolchain }} cargo test --features mysql,sqlx,runtime-async-std --all-targets --verbose
 
+    - name: Run test - postgres | diesel
+      run: rustup run ${{ matrix.toolchain }} cargo test --features postgres,diesel --all-targets --verbose
+
+    - name: Run test - postgres | sqlx | runtime-async-std
+      run: |
+        export PATH="/usr/lib/postgresql/${POSTGRESQL_VERSION}/bin:$PATH"
+        rustup run ${{ matrix.toolchain }} cargo test --features postgres,sqlx,runtime-async-std --all-targets --verbose
+
     - name: Stop containers for database tests
       if: always()
       run: |
         docker compose -f "docker-compose.yml" down --volumes
-        sudo rm -rf .data/{postgresql-15,mysql-8}
+        sudo rm -rf .data/{postgresql-${POSTGRESQL_VERSION},mysql-8}
 
     - name: Run doc tests
       run: rustup run ${{ matrix.toolchain }} cargo test --features sqlite,sqlx,runtime-async-std,macros --doc --verbose
diff --git a/docker-compose.yml b/docker-compose.yml
index 1253e57..1f3bcf1 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -1,15 +1,15 @@
 # IMPORTANT: if you change the data folders below, make sure you also change their cleanup
 # inside the `.github/workflows/ci.yml` file
 services:
-  postgres-15:
-    image: postgres:15-alpine
+  postgres-14:
+    image: postgres:14-alpine
     ports:
       - "127.0.0.1:5432:5432"
     environment:
       - POSTGRES_USER=root
       - POSTGRES_HOST_AUTH_METHOD=trust
     volumes:
-      - .data/postgresql-15/:/var/lib/postgresql
+      - .data/postgresql-14/:/var/lib/postgresql
   mysql-8:
     image: mysql:8
     ports:
diff --git a/fixtures/diesel/postgres/diesel-postgres-structure.sql b/fixtures/diesel/postgres/diesel-postgres-structure.sql
index e9930db..46fae8b 100644
--- a/fixtures/diesel/postgres/diesel-postgres-structure.sql
+++ b/fixtures/diesel/postgres/diesel-postgres-structure.sql
@@ -1,10 +1,3 @@
---
--- PostgreSQL database dump
---
-
--- Dumped from database version 15.2
--- Dumped by pg_dump version 15.4 (Homebrew)
-
 SET statement_timeout = 0;
 SET lock_timeout = 0;
 SET idle_in_transaction_session_timeout = 0;
diff --git a/fixtures/sqlx/postgres/sqlx-postgres-structure.sql b/fixtures/sqlx/postgres/sqlx-postgres-structure.sql
index e9930db..46fae8b 100644
--- a/fixtures/sqlx/postgres/sqlx-postgres-structure.sql
+++ b/fixtures/sqlx/postgres/sqlx-postgres-structure.sql
@@ -1,10 +1,3 @@
---
--- PostgreSQL database dump
---
-
--- Dumped from database version 15.2
--- Dumped by pg_dump version 15.4 (Homebrew)
-
 SET statement_timeout = 0;
 SET lock_timeout = 0;
 SET idle_in_transaction_session_timeout = 0;
diff --git a/src/postgres/mod.rs b/src/postgres/mod.rs
index f357d30..2c074da 100644
--- a/src/postgres/mod.rs
+++ b/src/postgres/mod.rs
@@ -1,6 +1,6 @@
 //! Implementation of the `postgres` feature
 
-pub(crate) const DEFAULT_CONNECTION_URL: &str = "postgresql://root:@localhost:5432/postgres";
+pub(crate) const DEFAULT_CONNECTION_URL: &str = "postgresql://root:@127.0.0.1:5432/postgres";
 
 use crate::error::Error;
 
@@ -77,13 +77,15 @@ mod tests {
             &destination_path,
         )
         .await?;
-        let expected = std::fs::read_to_string(dbg!(format!(
+        let expected = std::fs::read_to_string(format!(
             "./{}/{}",
             fixtures_path.as_ref(),
             destination_filename.as_ref()
-        )))?;
+        ))?;
+        dbg!(&expected);
         let contents = std::fs::read_to_string(destination_path)?;
-        assert_eq!(contents, expected);
+        dbg!(&contents);
+        assert!(contents.contains(&expected));
         Ok(())
     }